\"\"\"\"

\

According to Means-extremes Property of proportion: If \"\",

\

then ad = bc.

\

\"\"           (Cross products)\"\"

\

\"\"                    (Multiply: \"\")

\

\"\"               (Divide each side by 8)

\

\"\"                    (Cancel common terms)

\

b = 3.75                   (Divide: \"\")\"\"

\

The value of b = 3.75.