\[\boxed{\mathbf{974}\mathbf{.}\mathbf{\ }}\]
\[\frac{2 \cdot 2}{y \cdot 2} = \frac{4}{2y}\text{\ \ \ \ \ \ }\]
\[\frac{4}{2y} = \frac{x}{6}\text{\ \ }\]
\[x = 4.\ \ \ \ \ \ \]
\[2y = 6\]
\[y = 6\ :2\]
\[y = 3.\]
\[Ответ:x = 4;\ \ y = 3.\]