Home / 8,081.08-12,121.63-2,534.87

Finding the Fourth Proportional to 8,081.08, 12,121.63 and 2,534.87

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Solution

The fourth proportional to 8,081.08, 12,121.63 and 2,534.87 is: 3,802.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081.08 : 12,121.63 = 2,534.87 : x
  2. Step 2: Convert to fraction form
    8,081.08/12,121.63 = 2,534.87/x
  3. Step 3: Cross multiply
    8,081.08x = 12,121.63 × 2,534.87
  4. Step 4: Simplify right side
    8,081.08x = 30,726,780.20
  5. Step 5: Solve for x
    x = 30,726,780.20/8,081.08
  6. Step 6: Final answer
    x = 3,802.31

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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.