Home / 5,520.24-8,278.11-2,745.90

Finding the Fourth Proportional to 5,520.24, 8,278.11 and 2,745.90

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Solution

The fourth proportional to 5,520.24, 8,278.11 and 2,745.90 is: 4,117.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.24 : 8,278.11 = 2,745.90 : x
  2. Step 2: Convert to fraction form
    5,520.24/8,278.11 = 2,745.90/x
  3. Step 3: Cross multiply
    5,520.24x = 8,278.11 × 2,745.90
  4. Step 4: Simplify right side
    5,520.24x = 22,730,862.25
  5. Step 5: Solve for x
    x = 22,730,862.25/5,520.24
  6. Step 6: Final answer
    x = 4,117.73

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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.