Home / 5,452.42-8,170.80-3,107.56

Finding the Fourth Proportional to 5,452.42, 8,170.80 and 3,107.56

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Solution

The fourth proportional to 5,452.42, 8,170.80 and 3,107.56 is: 4,656.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,452.42 : 8,170.80 = 3,107.56 : x
  2. Step 2: Convert to fraction form
    5,452.42/8,170.80 = 3,107.56/x
  3. Step 3: Cross multiply
    5,452.42x = 8,170.80 × 3,107.56
  4. Step 4: Simplify right side
    5,452.42x = 25,391,251.25
  5. Step 5: Solve for x
    x = 25,391,251.25/5,452.42
  6. Step 6: Final answer
    x = 4,656.88

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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.