Home / 6,781.12-9,357.96-3,796.94

Finding the Fourth Proportional to 6,781.12, 9,357.96 and 3,796.94

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Solution

The fourth proportional to 6,781.12, 9,357.96 and 3,796.94 is: 5,239.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.12 : 9,357.96 = 3,796.94 : x
  2. Step 2: Convert to fraction form
    6,781.12/9,357.96 = 3,796.94/x
  3. Step 3: Cross multiply
    6,781.12x = 9,357.96 × 3,796.94
  4. Step 4: Simplify right side
    6,781.12x = 35,531,612.64
  5. Step 5: Solve for x
    x = 35,531,612.64/6,781.12
  6. Step 6: Final answer
    x = 5,239.79

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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.