Home / 5,472.57-7,552.41-3,115.20

Finding the Fourth Proportional to 5,472.57, 7,552.41 and 3,115.20

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Solution

The fourth proportional to 5,472.57, 7,552.41 and 3,115.20 is: 4,299.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.57 : 7,552.41 = 3,115.20 : x
  2. Step 2: Convert to fraction form
    5,472.57/7,552.41 = 3,115.20/x
  3. Step 3: Cross multiply
    5,472.57x = 7,552.41 × 3,115.20
  4. Step 4: Simplify right side
    5,472.57x = 23,527,267.63
  5. Step 5: Solve for x
    x = 23,527,267.63/5,472.57
  6. Step 6: Final answer
    x = 4,299.13

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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.