Home / 6,780.13-10,162.38-2,618.29

Finding the Fourth Proportional to 6,780.13, 10,162.38 and 2,618.29

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Solution

The fourth proportional to 6,780.13, 10,162.38 and 2,618.29 is: 3,924.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.13 : 10,162.38 = 2,618.29 : x
  2. Step 2: Convert to fraction form
    6,780.13/10,162.38 = 2,618.29/x
  3. Step 3: Cross multiply
    6,780.13x = 10,162.38 × 2,618.29
  4. Step 4: Simplify right side
    6,780.13x = 26,608,057.93
  5. Step 5: Solve for x
    x = 26,608,057.93/6,780.13
  6. Step 6: Final answer
    x = 3,924.42

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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.