# How do you solve the proportion 3/6 = 7/d?

May 3, 2015

The answer is $d = 14$.

Solve the proportion $\frac{3}{6} = \frac{7}{d}$ .

Simplify $\frac{3}{6}$ to $\frac{1}{2}$ .

$\frac{1}{2} = \frac{7}{d}$

Cross multiply.

$d = 14$