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Finding the Fourth Proportional to 8,304.71, 12,459.24 and 3,377.75

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Solution

The fourth proportional to 8,304.71, 12,459.24 and 3,377.75 is: 5,067.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,304.71 : 12,459.24 = 3,377.75 : x
  2. Step 2: Convert to fraction form
    8,304.71/12,459.24 = 3,377.75/x
  3. Step 3: Cross multiply
    8,304.71x = 12,459.24 × 3,377.75
  4. Step 4: Simplify right side
    8,304.71x = 42,084,135.61
  5. Step 5: Solve for x
    x = 42,084,135.61/8,304.71
  6. Step 6: Final answer
    x = 5,067.51

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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.