Home / 6,781.14-10,171.60-1,850.76

Finding the Fourth Proportional to 6,781.14, 10,171.60 and 1,850.76

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Solution

The fourth proportional to 6,781.14, 10,171.60 and 1,850.76 is: 2,776.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.14 : 10,171.60 = 1,850.76 : x
  2. Step 2: Convert to fraction form
    6,781.14/10,171.60 = 1,850.76/x
  3. Step 3: Cross multiply
    6,781.14x = 10,171.60 × 1,850.76
  4. Step 4: Simplify right side
    6,781.14x = 18,825,205.30
  5. Step 5: Solve for x
    x = 18,825,205.30/6,781.14
  6. Step 6: Final answer
    x = 2,776.11

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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.