Home / 7,383.38-10,189.26-4,239.77

Finding the Fourth Proportional to 7,383.38, 10,189.26 and 4,239.77

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Solution

The fourth proportional to 7,383.38, 10,189.26 and 4,239.77 is: 5,850.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.38 : 10,189.26 = 4,239.77 : x
  2. Step 2: Convert to fraction form
    7,383.38/10,189.26 = 4,239.77/x
  3. Step 3: Cross multiply
    7,383.38x = 10,189.26 × 4,239.77
  4. Step 4: Simplify right side
    7,383.38x = 43,200,067.92
  5. Step 5: Solve for x
    x = 43,200,067.92/7,383.38
  6. Step 6: Final answer
    x = 5,850.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.