Home / 5,452.26-8,171.19-1,986.18

Finding the Fourth Proportional to 5,452.26, 8,171.19 and 1,986.18

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Solution

The fourth proportional to 5,452.26, 8,171.19 and 1,986.18 is: 2,976.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,452.26 : 8,171.19 = 1,986.18 : x
  2. Step 2: Convert to fraction form
    5,452.26/8,171.19 = 1,986.18/x
  3. Step 3: Cross multiply
    5,452.26x = 8,171.19 × 1,986.18
  4. Step 4: Simplify right side
    5,452.26x = 16,229,454.15
  5. Step 5: Solve for x
    x = 16,229,454.15/5,452.26
  6. Step 6: Final answer
    x = 2,976.65

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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.