Home / 7,434.27-11,149.08-2,689.83

Finding the Fourth Proportional to 7,434.27, 11,149.08 and 2,689.83

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Solution

The fourth proportional to 7,434.27, 11,149.08 and 2,689.83 is: 4,033.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.27 : 11,149.08 = 2,689.83 : x
  2. Step 2: Convert to fraction form
    7,434.27/11,149.08 = 2,689.83/x
  3. Step 3: Cross multiply
    7,434.27x = 11,149.08 × 2,689.83
  4. Step 4: Simplify right side
    7,434.27x = 29,989,129.86
  5. Step 5: Solve for x
    x = 29,989,129.86/7,434.27
  6. Step 6: Final answer
    x = 4,033.90

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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.