Home / 4,253.85-6,381.78-1,332.38

Finding the Fourth Proportional to 4,253.85, 6,381.78 and 1,332.38

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Solution

The fourth proportional to 4,253.85, 6,381.78 and 1,332.38 is: 1,998.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.85 : 6,381.78 = 1,332.38 : x
  2. Step 2: Convert to fraction form
    4,253.85/6,381.78 = 1,332.38/x
  3. Step 3: Cross multiply
    4,253.85x = 6,381.78 × 1,332.38
  4. Step 4: Simplify right side
    4,253.85x = 8,502,956.04
  5. Step 5: Solve for x
    x = 8,502,956.04/4,253.85
  6. Step 6: Final answer
    x = 1,998.88

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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.