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Finding the Fourth Proportional to 6,459.52, 9,689.39 and 2,949.39

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Solution

The fourth proportional to 6,459.52, 9,689.39 and 2,949.39 is: 4,424.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459.52 : 9,689.39 = 2,949.39 : x
  2. Step 2: Convert to fraction form
    6,459.52/9,689.39 = 2,949.39/x
  3. Step 3: Cross multiply
    6,459.52x = 9,689.39 × 2,949.39
  4. Step 4: Simplify right side
    6,459.52x = 28,577,789.97
  5. Step 5: Solve for x
    x = 28,577,789.97/6,459.52
  6. Step 6: Final answer
    x = 4,424.14

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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.