Home / 6,614.25-9,920.22-2,171.85

Finding the Fourth Proportional to 6,614.25, 9,920.22 and 2,171.85

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Solution

The fourth proportional to 6,614.25, 9,920.22 and 2,171.85 is: 3,257.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,614.25 : 9,920.22 = 2,171.85 : x
  2. Step 2: Convert to fraction form
    6,614.25/9,920.22 = 2,171.85/x
  3. Step 3: Cross multiply
    6,614.25x = 9,920.22 × 2,171.85
  4. Step 4: Simplify right side
    6,614.25x = 21,545,229.81
  5. Step 5: Solve for x
    x = 21,545,229.81/6,614.25
  6. Step 6: Final answer
    x = 3,257.40

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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.