Home / 4,251.29-6,378.55-3,839.00

Finding the Fourth Proportional to 4,251.29, 6,378.55 and 3,839.00

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Solution

The fourth proportional to 4,251.29, 6,378.55 and 3,839.00 is: 5,759.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251.29 : 6,378.55 = 3,839.00 : x
  2. Step 2: Convert to fraction form
    4,251.29/6,378.55 = 3,839.00/x
  3. Step 3: Cross multiply
    4,251.29x = 6,378.55 × 3,839.00
  4. Step 4: Simplify right side
    4,251.29x = 24,487,211.96
  5. Step 5: Solve for x
    x = 24,487,211.96/4,251.29
  6. Step 6: Final answer
    x = 5,759.96

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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.