Home / 6,781.59-10,171.98-1,851.39

Finding the Fourth Proportional to 6,781.59, 10,171.98 and 1,851.39

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Solution

The fourth proportional to 6,781.59, 10,171.98 and 1,851.39 is: 2,776.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.59 : 10,171.98 = 1,851.39 : x
  2. Step 2: Convert to fraction form
    6,781.59/10,171.98 = 1,851.39/x
  3. Step 3: Cross multiply
    6,781.59x = 10,171.98 × 1,851.39
  4. Step 4: Simplify right side
    6,781.59x = 18,832,302.05
  5. Step 5: Solve for x
    x = 18,832,302.05/6,781.59
  6. Step 6: Final answer
    x = 2,776.97

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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.