Home / 7,864.97-11,791.98-2,933.28

Finding the Fourth Proportional to 7,864.97, 11,791.98 and 2,933.28

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Solution

The fourth proportional to 7,864.97, 11,791.98 and 2,933.28 is: 4,397.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.97 : 11,791.98 = 2,933.28 : x
  2. Step 2: Convert to fraction form
    7,864.97/11,791.98 = 2,933.28/x
  3. Step 3: Cross multiply
    7,864.97x = 11,791.98 × 2,933.28
  4. Step 4: Simplify right side
    7,864.97x = 34,589,179.09
  5. Step 5: Solve for x
    x = 34,589,179.09/7,864.97
  6. Step 6: Final answer
    x = 4,397.88

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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.