Home / 8,129.66-12,193.07-2,284.88

Finding the Fourth Proportional to 8,129.66, 12,193.07 and 2,284.88

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Solution

The fourth proportional to 8,129.66, 12,193.07 and 2,284.88 is: 3,426.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129.66 : 12,193.07 = 2,284.88 : x
  2. Step 2: Convert to fraction form
    8,129.66/12,193.07 = 2,284.88/x
  3. Step 3: Cross multiply
    8,129.66x = 12,193.07 × 2,284.88
  4. Step 4: Simplify right side
    8,129.66x = 27,859,629.39
  5. Step 5: Solve for x
    x = 27,859,629.39/8,129.66
  6. Step 6: Final answer
    x = 3,426.91

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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.