Home / 7,622.71-11,434.11-2,691.24

Finding the Fourth Proportional to 7,622.71, 11,434.11 and 2,691.24

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Solution

The fourth proportional to 7,622.71, 11,434.11 and 2,691.24 is: 4,036.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.71 : 11,434.11 = 2,691.24 : x
  2. Step 2: Convert to fraction form
    7,622.71/11,434.11 = 2,691.24/x
  3. Step 3: Cross multiply
    7,622.71x = 11,434.11 × 2,691.24
  4. Step 4: Simplify right side
    7,622.71x = 30,771,934.20
  5. Step 5: Solve for x
    x = 30,771,934.20/7,622.71
  6. Step 6: Final answer
    x = 4,036.88

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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.