Home / 7,342.10-11,013.04-2,147.97

Finding the Fourth Proportional to 7,342.10, 11,013.04 and 2,147.97

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Solution

The fourth proportional to 7,342.10, 11,013.04 and 2,147.97 is: 3,221.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.10 : 11,013.04 = 2,147.97 : x
  2. Step 2: Convert to fraction form
    7,342.10/11,013.04 = 2,147.97/x
  3. Step 3: Cross multiply
    7,342.10x = 11,013.04 × 2,147.97
  4. Step 4: Simplify right side
    7,342.10x = 23,655,679.53
  5. Step 5: Solve for x
    x = 23,655,679.53/7,342.10
  6. Step 6: Final answer
    x = 3,221.92

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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.