Home / 6,781.38-10,171.44-2,618.88

Finding the Fourth Proportional to 6,781.38, 10,171.44 and 2,618.88

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Solution

The fourth proportional to 6,781.38, 10,171.44 and 2,618.88 is: 3,928.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.38 : 10,171.44 = 2,618.88 : x
  2. Step 2: Convert to fraction form
    6,781.38/10,171.44 = 2,618.88/x
  3. Step 3: Cross multiply
    6,781.38x = 10,171.44 × 2,618.88
  4. Step 4: Simplify right side
    6,781.38x = 26,637,780.79
  5. Step 5: Solve for x
    x = 26,637,780.79/6,781.38
  6. Step 6: Final answer
    x = 3,928.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.