Home / 4,227.38-6,342.89-2,279.13

Finding the Fourth Proportional to 4,227.38, 6,342.89 and 2,279.13

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Solution

The fourth proportional to 4,227.38, 6,342.89 and 2,279.13 is: 3,419.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,227.38 : 6,342.89 = 2,279.13 : x
  2. Step 2: Convert to fraction form
    4,227.38/6,342.89 = 2,279.13/x
  3. Step 3: Cross multiply
    4,227.38x = 6,342.89 × 2,279.13
  4. Step 4: Simplify right side
    4,227.38x = 14,456,270.89
  5. Step 5: Solve for x
    x = 14,456,270.89/4,227.38
  6. Step 6: Final answer
    x = 3,419.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.