Home / 4,121.43-6,167.78-3,372.39

Finding the Fourth Proportional to 4,121.43, 6,167.78 and 3,372.39

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Solution

The fourth proportional to 4,121.43, 6,167.78 and 3,372.39 is: 5,046.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.43 : 6,167.78 = 3,372.39 : x
  2. Step 2: Convert to fraction form
    4,121.43/6,167.78 = 3,372.39/x
  3. Step 3: Cross multiply
    4,121.43x = 6,167.78 × 3,372.39
  4. Step 4: Simplify right side
    4,121.43x = 20,800,142.73
  5. Step 5: Solve for x
    x = 20,800,142.73/4,121.43
  6. Step 6: Final answer
    x = 5,046.83

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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.