Finding the Fourth Proportional to 5,618, 7,752.84 and 3,134
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Solution
The fourth proportional to 5,618, 7,752.84 and 3,134 is: 4,324.92
Step by Step Solution
- Step 1: Write the proportion equation
5,618 : 7,752.84 = 3,134 : x - Step 2: Convert to fraction form
5,618/7,752.84 = 3,134/x - Step 3: Cross multiply
5,618x = 7,752.84 × 3,134 - Step 4: Simplify right side
5,618x = 24,297,400.56 - Step 5: Solve for x
x = 24,297,400.56/5,618 - Step 6: Final answer
x = 4,324.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.