Home / 6,781.20-9,357.92-3,756.26

Finding the Fourth Proportional to 6,781.20, 9,357.92 and 3,756.26

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Solution

The fourth proportional to 6,781.20, 9,357.92 and 3,756.26 is: 5,183.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.20 : 9,357.92 = 3,756.26 : x
  2. Step 2: Convert to fraction form
    6,781.20/9,357.92 = 3,756.26/x
  3. Step 3: Cross multiply
    6,781.20x = 9,357.92 × 3,756.26
  4. Step 4: Simplify right side
    6,781.20x = 35,150,780.58
  5. Step 5: Solve for x
    x = 35,150,780.58/6,781.20
  6. Step 6: Final answer
    x = 5,183.56

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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.