Home / 9,156.97-13,738.16-3,154.57

Finding the Fourth Proportional to 9,156.97, 13,738.16 and 3,154.57

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Solution

The fourth proportional to 9,156.97, 13,738.16 and 3,154.57 is: 4,732.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,156.97 : 13,738.16 = 3,154.57 : x
  2. Step 2: Convert to fraction form
    9,156.97/13,738.16 = 3,154.57/x
  3. Step 3: Cross multiply
    9,156.97x = 13,738.16 × 3,154.57
  4. Step 4: Simplify right side
    9,156.97x = 43,337,987.39
  5. Step 5: Solve for x
    x = 43,337,987.39/9,156.97
  6. Step 6: Final answer
    x = 4,732.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.