Finding the Fourth Proportional to 7,718, 11,578.94 and 2,246
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Solution
The fourth proportional to 7,718, 11,578.94 and 2,246 is: 3,369.56
Step by Step Solution
- Step 1: Write the proportion equation
7,718 : 11,578.94 = 2,246 : x - Step 2: Convert to fraction form
7,718/11,578.94 = 2,246/x - Step 3: Cross multiply
7,718x = 11,578.94 × 2,246 - Step 4: Simplify right side
7,718x = 26,006,299.24 - Step 5: Solve for x
x = 26,006,299.24/7,718 - Step 6: Final answer
x = 3,369.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.