Home / 6,839.20-10,261.20-2,456.80

Finding the Fourth Proportional to 6,839.20, 10,261.20 and 2,456.80

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Solution

The fourth proportional to 6,839.20, 10,261.20 and 2,456.80 is: 3,686.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,839.20 : 10,261.20 = 2,456.80 : x
  2. Step 2: Convert to fraction form
    6,839.20/10,261.20 = 2,456.80/x
  3. Step 3: Cross multiply
    6,839.20x = 10,261.20 × 2,456.80
  4. Step 4: Simplify right side
    6,839.20x = 25,209,716.16
  5. Step 5: Solve for x
    x = 25,209,716.16/6,839.20
  6. Step 6: Final answer
    x = 3,686.06

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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.