Home / 8,181.07-12,272.28-2,914.04

Finding the Fourth Proportional to 8,181.07, 12,272.28 and 2,914.04

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Solution

The fourth proportional to 8,181.07, 12,272.28 and 2,914.04 is: 4,371.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.07 : 12,272.28 = 2,914.04 : x
  2. Step 2: Convert to fraction form
    8,181.07/12,272.28 = 2,914.04/x
  3. Step 3: Cross multiply
    8,181.07x = 12,272.28 × 2,914.04
  4. Step 4: Simplify right side
    8,181.07x = 35,761,934.56
  5. Step 5: Solve for x
    x = 35,761,934.56/8,181.07
  6. Step 6: Final answer
    x = 4,371.30

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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.