Home / 8,452.26-12,679.87-2,906.18

Finding the Fourth Proportional to 8,452.26, 12,679.87 and 2,906.18

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Solution

The fourth proportional to 8,452.26, 12,679.87 and 2,906.18 is: 4,359.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,452.26 : 12,679.87 = 2,906.18 : x
  2. Step 2: Convert to fraction form
    8,452.26/12,679.87 = 2,906.18/x
  3. Step 3: Cross multiply
    8,452.26x = 12,679.87 × 2,906.18
  4. Step 4: Simplify right side
    8,452.26x = 36,849,984.60
  5. Step 5: Solve for x
    x = 36,849,984.60/8,452.26
  6. Step 6: Final answer
    x = 4,359.78

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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.