Home / 5,380.43-8,062.11-4,150.85

Finding the Fourth Proportional to 5,380.43, 8,062.11 and 4,150.85

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Solution

The fourth proportional to 5,380.43, 8,062.11 and 4,150.85 is: 6,219.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.43 : 8,062.11 = 4,150.85 : x
  2. Step 2: Convert to fraction form
    5,380.43/8,062.11 = 4,150.85/x
  3. Step 3: Cross multiply
    5,380.43x = 8,062.11 × 4,150.85
  4. Step 4: Simplify right side
    5,380.43x = 33,464,568.98
  5. Step 5: Solve for x
    x = 33,464,568.98/5,380.43
  6. Step 6: Final answer
    x = 6,219.69

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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.