Home / 6,839.40-10,257.87-2,456.91

Finding the Fourth Proportional to 6,839.40, 10,257.87 and 2,456.91

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Solution

The fourth proportional to 6,839.40, 10,257.87 and 2,456.91 is: 3,684.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,839.40 : 10,257.87 = 2,456.91 : x
  2. Step 2: Convert to fraction form
    6,839.40/10,257.87 = 2,456.91/x
  3. Step 3: Cross multiply
    6,839.40x = 10,257.87 × 2,456.91
  4. Step 4: Simplify right side
    6,839.40x = 25,202,663.38
  5. Step 5: Solve for x
    x = 25,202,663.38/6,839.40
  6. Step 6: Final answer
    x = 3,684.92

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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.