Home / 4,253.52-6,380.39-1,331.92

Finding the Fourth Proportional to 4,253.52, 6,380.39 and 1,331.92

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Solution

The fourth proportional to 4,253.52, 6,380.39 and 1,331.92 is: 1,997.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.52 : 6,380.39 = 1,331.92 : x
  2. Step 2: Convert to fraction form
    4,253.52/6,380.39 = 1,331.92/x
  3. Step 3: Cross multiply
    4,253.52x = 6,380.39 × 1,331.92
  4. Step 4: Simplify right side
    4,253.52x = 8,498,169.05
  5. Step 5: Solve for x
    x = 8,498,169.05/4,253.52
  6. Step 6: Final answer
    x = 1,997.91

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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.