Home / 5,229.94-7,217.37-2,872.13

Finding the Fourth Proportional to 5,229.94, 7,217.37 and 2,872.13

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Solution

The fourth proportional to 5,229.94, 7,217.37 and 2,872.13 is: 3,963.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.94 : 7,217.37 = 2,872.13 : x
  2. Step 2: Convert to fraction form
    5,229.94/7,217.37 = 2,872.13/x
  3. Step 3: Cross multiply
    5,229.94x = 7,217.37 × 2,872.13
  4. Step 4: Simplify right side
    5,229.94x = 20,729,205.11
  5. Step 5: Solve for x
    x = 20,729,205.11/5,229.94
  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.