Home / 5,491.62-8,227.11-2,715.06

Finding the Fourth Proportional to 5,491.62, 8,227.11 and 2,715.06

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Solution

The fourth proportional to 5,491.62, 8,227.11 and 2,715.06 is: 4,067.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.62 : 8,227.11 = 2,715.06 : x
  2. Step 2: Convert to fraction form
    5,491.62/8,227.11 = 2,715.06/x
  3. Step 3: Cross multiply
    5,491.62x = 8,227.11 × 2,715.06
  4. Step 4: Simplify right side
    5,491.62x = 22,337,097.28
  5. Step 5: Solve for x
    x = 22,337,097.28/5,491.62
  6. Step 6: Final answer
    x = 4,067.49

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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.