Home / 9,155.97-13,721.81-3,306.96

Finding the Fourth Proportional to 9,155.97, 13,721.81 and 3,306.96

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Solution

The fourth proportional to 9,155.97, 13,721.81 and 3,306.96 is: 4,956.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,155.97 : 13,721.81 = 3,306.96 : x
  2. Step 2: Convert to fraction form
    9,155.97/13,721.81 = 3,306.96/x
  3. Step 3: Cross multiply
    9,155.97x = 13,721.81 × 3,306.96
  4. Step 4: Simplify right side
    9,155.97x = 45,377,460.26
  5. Step 5: Solve for x
    x = 45,377,460.26/9,155.97
  6. Step 6: Final answer
    x = 4,956.05

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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.