Home / 8,125.90-11,213.49-4,540.76

Finding the Fourth Proportional to 8,125.90, 11,213.49 and 4,540.76

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Solution

The fourth proportional to 8,125.90, 11,213.49 and 4,540.76 is: 6,266.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.90 : 11,213.49 = 4,540.76 : x
  2. Step 2: Convert to fraction form
    8,125.90/11,213.49 = 4,540.76/x
  3. Step 3: Cross multiply
    8,125.90x = 11,213.49 × 4,540.76
  4. Step 4: Simplify right side
    8,125.90x = 50,917,766.85
  5. Step 5: Solve for x
    x = 50,917,766.85/8,125.90
  6. Step 6: Final answer
    x = 6,266.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.