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Finding the Fourth Proportional to 8,757.16, 13,134.50 and 2,517.70

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Solution

The fourth proportional to 8,757.16, 13,134.50 and 2,517.70 is: 3,776.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,757.16 : 13,134.50 = 2,517.70 : x
  2. Step 2: Convert to fraction form
    8,757.16/13,134.50 = 2,517.70/x
  3. Step 3: Cross multiply
    8,757.16x = 13,134.50 × 2,517.70
  4. Step 4: Simplify right side
    8,757.16x = 33,068,730.65
  5. Step 5: Solve for x
    x = 33,068,730.65/8,757.16
  6. Step 6: Final answer
    x = 3,776.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.