Home / 5,230.14-7,217.60-2,872.43

Finding the Fourth Proportional to 5,230.14, 7,217.60 and 2,872.43

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Solution

The fourth proportional to 5,230.14, 7,217.60 and 2,872.43 is: 3,963.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.14 : 7,217.60 = 2,872.43 : x
  2. Step 2: Convert to fraction form
    5,230.14/7,217.60 = 2,872.43/x
  3. Step 3: Cross multiply
    5,230.14x = 7,217.60 × 2,872.43
  4. Step 4: Simplify right side
    5,230.14x = 20,732,000.32
  5. Step 5: Solve for x
    x = 20,732,000.32/5,230.14
  6. Step 6: Final answer
    x = 3,963.95

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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.