Home / 7,439.31-11,159.17-2,174.92

Finding the Fourth Proportional to 7,439.31, 11,159.17 and 2,174.92

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Solution

The fourth proportional to 7,439.31, 11,159.17 and 2,174.92 is: 3,262.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.31 : 11,159.17 = 2,174.92 : x
  2. Step 2: Convert to fraction form
    7,439.31/11,159.17 = 2,174.92/x
  3. Step 3: Cross multiply
    7,439.31x = 11,159.17 × 2,174.92
  4. Step 4: Simplify right side
    7,439.31x = 24,270,268.68
  5. Step 5: Solve for x
    x = 24,270,268.68/7,439.31
  6. Step 6: Final answer
    x = 3,262.44

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1.5x scale

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.