Home / 7,839.88-11,757.98-2,292.06

Finding the Fourth Proportional to 7,839.88, 11,757.98 and 2,292.06

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Solution

The fourth proportional to 7,839.88, 11,757.98 and 2,292.06 is: 3,437.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.88 : 11,757.98 = 2,292.06 : x
  2. Step 2: Convert to fraction form
    7,839.88/11,757.98 = 2,292.06/x
  3. Step 3: Cross multiply
    7,839.88x = 11,757.98 × 2,292.06
  4. Step 4: Simplify right side
    7,839.88x = 26,949,995.64
  5. Step 5: Solve for x
    x = 26,949,995.64/7,839.88
  6. Step 6: Final answer
    x = 3,437.55

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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.