Home / 5,472.98-7,552.73-3,115.13

Finding the Fourth Proportional to 5,472.98, 7,552.73 and 3,115.13

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Solution

The fourth proportional to 5,472.98, 7,552.73 and 3,115.13 is: 4,298.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.98 : 7,552.73 = 3,115.13 : x
  2. Step 2: Convert to fraction form
    5,472.98/7,552.73 = 3,115.13/x
  3. Step 3: Cross multiply
    5,472.98x = 7,552.73 × 3,115.13
  4. Step 4: Simplify right side
    5,472.98x = 23,527,688.31
  5. Step 5: Solve for x
    x = 23,527,688.31/5,472.98
  6. Step 6: Final answer
    x = 4,298.88

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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.