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Finding the Fourth Proportional to 8,765.66, 13,149.96 and 3,500.66

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Solution

The fourth proportional to 8,765.66, 13,149.96 and 3,500.66 is: 5,251.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765.66 : 13,149.96 = 3,500.66 : x
  2. Step 2: Convert to fraction form
    8,765.66/13,149.96 = 3,500.66/x
  3. Step 3: Cross multiply
    8,765.66x = 13,149.96 × 3,500.66
  4. Step 4: Simplify right side
    8,765.66x = 46,033,538.97
  5. Step 5: Solve for x
    x = 46,033,538.97/8,765.66
  6. Step 6: Final answer
    x = 5,251.58

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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.