Home / 7,891.32-11,839.37-2,344.85

Finding the Fourth Proportional to 7,891.32, 11,839.37 and 2,344.85

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Solution

The fourth proportional to 7,891.32, 11,839.37 and 2,344.85 is: 3,517.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,891.32 : 11,839.37 = 2,344.85 : x
  2. Step 2: Convert to fraction form
    7,891.32/11,839.37 = 2,344.85/x
  3. Step 3: Cross multiply
    7,891.32x = 11,839.37 × 2,344.85
  4. Step 4: Simplify right side
    7,891.32x = 27,761,520.22
  5. Step 5: Solve for x
    x = 27,761,520.22/7,891.32
  6. Step 6: Final answer
    x = 3,517.98

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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.