Home / 6,327.10-9,489.39-2,166.76

Finding the Fourth Proportional to 6,327.10, 9,489.39 and 2,166.76

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Solution

The fourth proportional to 6,327.10, 9,489.39 and 2,166.76 is: 3,249.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,327.10 : 9,489.39 = 2,166.76 : x
  2. Step 2: Convert to fraction form
    6,327.10/9,489.39 = 2,166.76/x
  3. Step 3: Cross multiply
    6,327.10x = 9,489.39 × 2,166.76
  4. Step 4: Simplify right side
    6,327.10x = 20,561,230.68
  5. Step 5: Solve for x
    x = 20,561,230.68/6,327.10
  6. Step 6: Final answer
    x = 3,249.71

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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.