![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
An equation stating that two ratios are equal is called a proportion.
\Method 1:
\Ratio of the first fraction
\Ratio of the second fraction
\![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step2.JPG\")
Check the ratios of fractions.
\The ratios are equal. So, the ratios form a proportion.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step3.JPG\")
Method 2:
\Write the equation ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c07e51d61feda3ec1f1247958ff5bfcb.png\")
According to Means-extremes Property of proportion: If![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4a768eb71c3beb8a2b4c32e7be25eb53.png\")
, then ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=cbc831e12eb457a0405bb3a07af0ec3c.png\")
.
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ad8d5372cb1cfd2377883b4d6b0a6d1f.png\")
(Cross products)
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c7d8dd744edac2a769c980473140ed83.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e8b23456bd114ce240ab3e14f4bf4193.png\")
)
The cross products are equal. So, the ratios form a proportion.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
Yes, the ratios form a proportion..