Home / 8,080.49-12,121-2,236.61

Finding the Fourth Proportional to 8,080.49, 12,121 and 2,236.61

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Solution

The fourth proportional to 8,080.49, 12,121 and 2,236.61 is: 3,354.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.49 : 12,121 = 2,236.61 : x
  2. Step 2: Convert to fraction form
    8,080.49/12,121 = 2,236.61/x
  3. Step 3: Cross multiply
    8,080.49x = 12,121 × 2,236.61
  4. Step 4: Simplify right side
    8,080.49x = 27,109,949.81
  5. Step 5: Solve for x
    x = 27,109,949.81/8,080.49
  6. Step 6: Final answer
    x = 3,354.99

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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.