Home / 5,422.90-8,115.45-3,233.20

Finding the Fourth Proportional to 5,422.90, 8,115.45 and 3,233.20

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Solution

The fourth proportional to 5,422.90, 8,115.45 and 3,233.20 is: 4,838.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.90 : 8,115.45 = 3,233.20 : x
  2. Step 2: Convert to fraction form
    5,422.90/8,115.45 = 3,233.20/x
  3. Step 3: Cross multiply
    5,422.90x = 8,115.45 × 3,233.20
  4. Step 4: Simplify right side
    5,422.90x = 26,238,872.94
  5. Step 5: Solve for x
    x = 26,238,872.94/5,422.90
  6. Step 6: Final answer
    x = 4,838.53

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1.5x scale

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.