Home / 6,781.20-9,357.30-3,796.62

Finding the Fourth Proportional to 6,781.20, 9,357.30 and 3,796.62

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Solution

The fourth proportional to 6,781.20, 9,357.30 and 3,796.62 is: 5,238.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.20 : 9,357.30 = 3,796.62 : x
  2. Step 2: Convert to fraction form
    6,781.20/9,357.30 = 3,796.62/x
  3. Step 3: Cross multiply
    6,781.20x = 9,357.30 × 3,796.62
  4. Step 4: Simplify right side
    6,781.20x = 35,526,112.33
  5. Step 5: Solve for x
    x = 35,526,112.33/6,781.20
  6. Step 6: Final answer
    x = 5,238.91

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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.