Home / 6,775.38-9,350.20-3,791.19

Finding the Fourth Proportional to 6,775.38, 9,350.20 and 3,791.19

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Solution

The fourth proportional to 6,775.38, 9,350.20 and 3,791.19 is: 5,231.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,775.38 : 9,350.20 = 3,791.19 : x
  2. Step 2: Convert to fraction form
    6,775.38/9,350.20 = 3,791.19/x
  3. Step 3: Cross multiply
    6,775.38x = 9,350.20 × 3,791.19
  4. Step 4: Simplify right side
    6,775.38x = 35,448,384.74
  5. Step 5: Solve for x
    x = 35,448,384.74/6,775.38
  6. Step 6: Final answer
    x = 5,231.94

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Half scale
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Double scale
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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.