Home / 8,181.44-12,264.60-2,983.68

Finding the Fourth Proportional to 8,181.44, 12,264.60 and 2,983.68

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Solution

The fourth proportional to 8,181.44, 12,264.60 and 2,983.68 is: 4,472.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.44 : 12,264.60 = 2,983.68 : x
  2. Step 2: Convert to fraction form
    8,181.44/12,264.60 = 2,983.68/x
  3. Step 3: Cross multiply
    8,181.44x = 12,264.60 × 2,983.68
  4. Step 4: Simplify right side
    8,181.44x = 36,593,641.73
  5. Step 5: Solve for x
    x = 36,593,641.73/8,181.44
  6. Step 6: Final answer
    x = 4,472.76

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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.