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Finding the Fourth Proportional to 8,502.13, 12,754.95 and 3,568.87

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Solution

The fourth proportional to 8,502.13, 12,754.95 and 3,568.87 is: 5,354.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,502.13 : 12,754.95 = 3,568.87 : x
  2. Step 2: Convert to fraction form
    8,502.13/12,754.95 = 3,568.87/x
  3. Step 3: Cross multiply
    8,502.13x = 12,754.95 × 3,568.87
  4. Step 4: Simplify right side
    8,502.13x = 45,520,758.41
  5. Step 5: Solve for x
    x = 45,520,758.41/8,502.13
  6. Step 6: Final answer
    x = 5,354.04

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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.