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Finding the Fourth Proportional to 8,752.03, 13,122.77 and 3,487.85

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Solution

The fourth proportional to 8,752.03, 13,122.77 and 3,487.85 is: 5,229.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.03 : 13,122.77 = 3,487.85 : x
  2. Step 2: Convert to fraction form
    8,752.03/13,122.77 = 3,487.85/x
  3. Step 3: Cross multiply
    8,752.03x = 13,122.77 × 3,487.85
  4. Step 4: Simplify right side
    8,752.03x = 45,770,268.71
  5. Step 5: Solve for x
    x = 45,770,268.71/8,752.03
  6. Step 6: Final answer
    x = 5,229.68

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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.