Home / 4,253.62-6,380.01-1,331.95

Finding the Fourth Proportional to 4,253.62, 6,380.01 and 1,331.95

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Solution

The fourth proportional to 4,253.62, 6,380.01 and 1,331.95 is: 1,997.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.62 : 6,380.01 = 1,331.95 : x
  2. Step 2: Convert to fraction form
    4,253.62/6,380.01 = 1,331.95/x
  3. Step 3: Cross multiply
    4,253.62x = 6,380.01 × 1,331.95
  4. Step 4: Simplify right side
    4,253.62x = 8,497,854.32
  5. Step 5: Solve for x
    x = 8,497,854.32/4,253.62
  6. Step 6: Final answer
    x = 1,997.79

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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.