Home / 6,767.11-10,149.20-1,836.80

Finding the Fourth Proportional to 6,767.11, 10,149.20 and 1,836.80

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Solution

The fourth proportional to 6,767.11, 10,149.20 and 1,836.80 is: 2,754.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,767.11 : 10,149.20 = 1,836.80 : x
  2. Step 2: Convert to fraction form
    6,767.11/10,149.20 = 1,836.80/x
  3. Step 3: Cross multiply
    6,767.11x = 10,149.20 × 1,836.80
  4. Step 4: Simplify right side
    6,767.11x = 18,642,050.56
  5. Step 5: Solve for x
    x = 18,642,050.56/6,767.11
  6. Step 6: Final answer
    x = 2,754.80

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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.