Home / 7,383.38-11,077.22-2,189.38

Finding the Fourth Proportional to 7,383.38, 11,077.22 and 2,189.38

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Solution

The fourth proportional to 7,383.38, 11,077.22 and 2,189.38 is: 3,284.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.38 : 11,077.22 = 2,189.38 : x
  2. Step 2: Convert to fraction form
    7,383.38/11,077.22 = 2,189.38/x
  3. Step 3: Cross multiply
    7,383.38x = 11,077.22 × 2,189.38
  4. Step 4: Simplify right side
    7,383.38x = 24,252,243.92
  5. Step 5: Solve for x
    x = 24,252,243.92/7,383.38
  6. Step 6: Final answer
    x = 3,284.71

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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.