Home / 5,229.70-7,217.22-2,872.06

Finding the Fourth Proportional to 5,229.70, 7,217.22 and 2,872.06

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Solution

The fourth proportional to 5,229.70, 7,217.22 and 2,872.06 is: 3,963.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.70 : 7,217.22 = 2,872.06 : x
  2. Step 2: Convert to fraction form
    5,229.70/7,217.22 = 2,872.06/x
  3. Step 3: Cross multiply
    5,229.70x = 7,217.22 × 2,872.06
  4. Step 4: Simplify right side
    5,229.70x = 20,728,288.87
  5. Step 5: Solve for x
    x = 20,728,288.87/5,229.70
  6. Step 6: Final answer
    x = 3,963.57

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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.