Home / 9,027.66-13,540.11-3,480.20

Finding the Fourth Proportional to 9,027.66, 13,540.11 and 3,480.20

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Solution

The fourth proportional to 9,027.66, 13,540.11 and 3,480.20 is: 5,219.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,027.66 : 13,540.11 = 3,480.20 : x
  2. Step 2: Convert to fraction form
    9,027.66/13,540.11 = 3,480.20/x
  3. Step 3: Cross multiply
    9,027.66x = 13,540.11 × 3,480.20
  4. Step 4: Simplify right side
    9,027.66x = 47,122,251.86
  5. Step 5: Solve for x
    x = 47,122,251.86/9,027.66
  6. Step 6: Final answer
    x = 5,219.76

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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.