Home / 6,781.18-9,358.35-3,796.42

Finding the Fourth Proportional to 6,781.18, 9,358.35 and 3,796.42

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Solution

The fourth proportional to 6,781.18, 9,358.35 and 3,796.42 is: 5,239.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.18 : 9,358.35 = 3,796.42 : x
  2. Step 2: Convert to fraction form
    6,781.18/9,358.35 = 3,796.42/x
  3. Step 3: Cross multiply
    6,781.18x = 9,358.35 × 3,796.42
  4. Step 4: Simplify right side
    6,781.18x = 35,528,227.11
  5. Step 5: Solve for x
    x = 35,528,227.11/6,781.18
  6. Step 6: Final answer
    x = 5,239.24

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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.