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Finding the Fourth Proportional to 8,084.03, 12,126 and 2,080.09

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Solution

The fourth proportional to 8,084.03, 12,126 and 2,080.09 is: 3,120.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084.03 : 12,126 = 2,080.09 : x
  2. Step 2: Convert to fraction form
    8,084.03/12,126 = 2,080.09/x
  3. Step 3: Cross multiply
    8,084.03x = 12,126 × 2,080.09
  4. Step 4: Simplify right side
    8,084.03x = 25,223,171.34
  5. Step 5: Solve for x
    x = 25,223,171.34/8,084.03
  6. Step 6: Final answer
    x = 3,120.12

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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.