Home / 6,765.36-9,335.92-3,781.16

Finding the Fourth Proportional to 6,765.36, 9,335.92 and 3,781.16

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Solution

The fourth proportional to 6,765.36, 9,335.92 and 3,781.16 is: 5,217.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,765.36 : 9,335.92 = 3,781.16 : x
  2. Step 2: Convert to fraction form
    6,765.36/9,335.92 = 3,781.16/x
  3. Step 3: Cross multiply
    6,765.36x = 9,335.92 × 3,781.16
  4. Step 4: Simplify right side
    6,765.36x = 35,300,607.27
  5. Step 5: Solve for x
    x = 35,300,607.27/6,765.36
  6. Step 6: Final answer
    x = 5,217.85

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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.