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Finding the Fourth Proportional to 8,855.87, 13,281.68 and 2,614.19

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Solution

The fourth proportional to 8,855.87, 13,281.68 and 2,614.19 is: 3,920.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.87 : 13,281.68 = 2,614.19 : x
  2. Step 2: Convert to fraction form
    8,855.87/13,281.68 = 2,614.19/x
  3. Step 3: Cross multiply
    8,855.87x = 13,281.68 × 2,614.19
  4. Step 4: Simplify right side
    8,855.87x = 34,720,755.56
  5. Step 5: Solve for x
    x = 34,720,755.56/8,855.87
  6. Step 6: Final answer
    x = 3,920.65

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1.5x scale

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.