Home / 7,839.70-11,759.55-2,292.82

Finding the Fourth Proportional to 7,839.70, 11,759.55 and 2,292.82

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Solution

The fourth proportional to 7,839.70, 11,759.55 and 2,292.82 is: 3,439.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.70 : 11,759.55 = 2,292.82 : x
  2. Step 2: Convert to fraction form
    7,839.70/11,759.55 = 2,292.82/x
  3. Step 3: Cross multiply
    7,839.70x = 11,759.55 × 2,292.82
  4. Step 4: Simplify right side
    7,839.70x = 26,962,531.43
  5. Step 5: Solve for x
    x = 26,962,531.43/7,839.70
  6. Step 6: Final answer
    x = 3,439.23

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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.