Home / 5,229.96-7,217.37-2,872.11

Finding the Fourth Proportional to 5,229.96, 7,217.37 and 2,872.11

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Solution

The fourth proportional to 5,229.96, 7,217.37 and 2,872.11 is: 3,963.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.96 : 7,217.37 = 2,872.11 : x
  2. Step 2: Convert to fraction form
    5,229.96/7,217.37 = 2,872.11/x
  3. Step 3: Cross multiply
    5,229.96x = 7,217.37 × 2,872.11
  4. Step 4: Simplify right side
    5,229.96x = 20,729,080.55
  5. Step 5: Solve for x
    x = 20,729,080.55/5,229.96
  6. Step 6: Final answer
    x = 3,963.53

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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.