Home / 5,629.80-8,446.14-2,166.12

Finding the Fourth Proportional to 5,629.80, 8,446.14 and 2,166.12

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Solution

The fourth proportional to 5,629.80, 8,446.14 and 2,166.12 is: 3,249.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.80 : 8,446.14 = 2,166.12 : x
  2. Step 2: Convert to fraction form
    5,629.80/8,446.14 = 2,166.12/x
  3. Step 3: Cross multiply
    5,629.80x = 8,446.14 × 2,166.12
  4. Step 4: Simplify right side
    5,629.80x = 18,295,352.78
  5. Step 5: Solve for x
    x = 18,295,352.78/5,629.80
  6. Step 6: Final answer
    x = 3,249.73

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Similar ratio
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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.