Home / 4,081.32-6,091.13-3,687.66

Finding the Fourth Proportional to 4,081.32, 6,091.13 and 3,687.66

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Solution

The fourth proportional to 4,081.32, 6,091.13 and 3,687.66 is: 5,503.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.32 : 6,091.13 = 3,687.66 : x
  2. Step 2: Convert to fraction form
    4,081.32/6,091.13 = 3,687.66/x
  3. Step 3: Cross multiply
    4,081.32x = 6,091.13 × 3,687.66
  4. Step 4: Simplify right side
    4,081.32x = 22,462,016.46
  5. Step 5: Solve for x
    x = 22,462,016.46/4,081.32
  6. Step 6: Final answer
    x = 5,503.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.