Home / 7,154.17-9,872.71-4,010.38

Finding the Fourth Proportional to 7,154.17, 9,872.71 and 4,010.38

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Solution

The fourth proportional to 7,154.17, 9,872.71 and 4,010.38 is: 5,534.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.17 : 9,872.71 = 4,010.38 : x
  2. Step 2: Convert to fraction form
    7,154.17/9,872.71 = 4,010.38/x
  3. Step 3: Cross multiply
    7,154.17x = 9,872.71 × 4,010.38
  4. Step 4: Simplify right side
    7,154.17x = 39,593,318.73
  5. Step 5: Solve for x
    x = 39,593,318.73/7,154.17
  6. Step 6: Final answer
    x = 5,534.30

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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.