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Finding the Fourth Proportional to 6,650.60, 9,976.04 and 2,489.82

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Solution

The fourth proportional to 6,650.60, 9,976.04 and 2,489.82 is: 3,734.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.60 : 9,976.04 = 2,489.82 : x
  2. Step 2: Convert to fraction form
    6,650.60/9,976.04 = 2,489.82/x
  3. Step 3: Cross multiply
    6,650.60x = 9,976.04 × 2,489.82
  4. Step 4: Simplify right side
    6,650.60x = 24,838,531.46
  5. Step 5: Solve for x
    x = 24,838,531.46/6,650.60
  6. Step 6: Final answer
    x = 3,734.78

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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.