Home / 8,181.36-12,264.54-2,983.56

Finding the Fourth Proportional to 8,181.36, 12,264.54 and 2,983.56

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Solution

The fourth proportional to 8,181.36, 12,264.54 and 2,983.56 is: 4,472.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.36 : 12,264.54 = 2,983.56 : x
  2. Step 2: Convert to fraction form
    8,181.36/12,264.54 = 2,983.56/x
  3. Step 3: Cross multiply
    8,181.36x = 12,264.54 × 2,983.56
  4. Step 4: Simplify right side
    8,181.36x = 36,591,990.96
  5. Step 5: Solve for x
    x = 36,591,990.96/8,181.36
  6. Step 6: Final answer
    x = 4,472.60

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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.