Home / 5,660.28-8,489.14-2,149.56

Finding the Fourth Proportional to 5,660.28, 8,489.14 and 2,149.56

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Solution

The fourth proportional to 5,660.28, 8,489.14 and 2,149.56 is: 3,223.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.28 : 8,489.14 = 2,149.56 : x
  2. Step 2: Convert to fraction form
    5,660.28/8,489.14 = 2,149.56/x
  3. Step 3: Cross multiply
    5,660.28x = 8,489.14 × 2,149.56
  4. Step 4: Simplify right side
    5,660.28x = 18,247,915.78
  5. Step 5: Solve for x
    x = 18,247,915.78/5,660.28
  6. Step 6: Final answer
    x = 3,223.85

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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.