Home / 6,379.38-9,568.53-2,218.68

Finding the Fourth Proportional to 6,379.38, 9,568.53 and 2,218.68

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Solution

The fourth proportional to 6,379.38, 9,568.53 and 2,218.68 is: 3,327.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379.38 : 9,568.53 = 2,218.68 : x
  2. Step 2: Convert to fraction form
    6,379.38/9,568.53 = 2,218.68/x
  3. Step 3: Cross multiply
    6,379.38x = 9,568.53 × 2,218.68
  4. Step 4: Simplify right side
    6,379.38x = 21,229,506.14
  5. Step 5: Solve for x
    x = 21,229,506.14/6,379.38
  6. Step 6: Final answer
    x = 3,327.83

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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.