Home / 6,781.60-9,358.09-3,796.75

Finding the Fourth Proportional to 6,781.60, 9,358.09 and 3,796.75

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Solution

The fourth proportional to 6,781.60, 9,358.09 and 3,796.75 is: 5,239.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.60 : 9,358.09 = 3,796.75 : x
  2. Step 2: Convert to fraction form
    6,781.60/9,358.09 = 3,796.75/x
  3. Step 3: Cross multiply
    6,781.60x = 9,358.09 × 3,796.75
  4. Step 4: Simplify right side
    6,781.60x = 35,530,328.21
  5. Step 5: Solve for x
    x = 35,530,328.21/6,781.60
  6. Step 6: Final answer
    x = 5,239.22

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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.