Home / 8,081.30-12,112.97-3,399.93

Finding the Fourth Proportional to 8,081.30, 12,112.97 and 3,399.93

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Solution

The fourth proportional to 8,081.30, 12,112.97 and 3,399.93 is: 5,096.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081.30 : 12,112.97 = 3,399.93 : x
  2. Step 2: Convert to fraction form
    8,081.30/12,112.97 = 3,399.93/x
  3. Step 3: Cross multiply
    8,081.30x = 12,112.97 × 3,399.93
  4. Step 4: Simplify right side
    8,081.30x = 41,183,233.09
  5. Step 5: Solve for x
    x = 41,183,233.09/8,081.30
  6. Step 6: Final answer
    x = 5,096.11

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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.