Home / 8,154.90-12,233.16-2,959.56

Finding the Fourth Proportional to 8,154.90, 12,233.16 and 2,959.56

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Solution

The fourth proportional to 8,154.90, 12,233.16 and 2,959.56 is: 4,439.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.90 : 12,233.16 = 2,959.56 : x
  2. Step 2: Convert to fraction form
    8,154.90/12,233.16 = 2,959.56/x
  3. Step 3: Cross multiply
    8,154.90x = 12,233.16 × 2,959.56
  4. Step 4: Simplify right side
    8,154.90x = 36,204,771.01
  5. Step 5: Solve for x
    x = 36,204,771.01/8,154.90
  6. Step 6: Final answer
    x = 4,439.63

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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.