Home / 5,229.74-7,217.18-2,872.02

Finding the Fourth Proportional to 5,229.74, 7,217.18 and 2,872.02

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Solution

The fourth proportional to 5,229.74, 7,217.18 and 2,872.02 is: 3,963.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.74 : 7,217.18 = 2,872.02 : x
  2. Step 2: Convert to fraction form
    5,229.74/7,217.18 = 2,872.02/x
  3. Step 3: Cross multiply
    5,229.74x = 7,217.18 × 2,872.02
  4. Step 4: Simplify right side
    5,229.74x = 20,727,885.30
  5. Step 5: Solve for x
    x = 20,727,885.30/5,229.74
  6. Step 6: Final answer
    x = 3,963.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.