Home / 5,711.11-8,560.83-3,240.71

Finding the Fourth Proportional to 5,711.11, 8,560.83 and 3,240.71

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Solution

The fourth proportional to 5,711.11, 8,560.83 and 3,240.71 is: 4,857.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.11 : 8,560.83 = 3,240.71 : x
  2. Step 2: Convert to fraction form
    5,711.11/8,560.83 = 3,240.71/x
  3. Step 3: Cross multiply
    5,711.11x = 8,560.83 × 3,240.71
  4. Step 4: Simplify right side
    5,711.11x = 27,743,167.39
  5. Step 5: Solve for x
    x = 27,743,167.39/5,711.11
  6. Step 6: Final answer
    x = 4,857.75

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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.