Home / 6,781.07-10,173.05-2,100.97

Finding the Fourth Proportional to 6,781.07, 10,173.05 and 2,100.97

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Solution

The fourth proportional to 6,781.07, 10,173.05 and 2,100.97 is: 3,151.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.07 : 10,173.05 = 2,100.97 : x
  2. Step 2: Convert to fraction form
    6,781.07/10,173.05 = 2,100.97/x
  3. Step 3: Cross multiply
    6,781.07x = 10,173.05 × 2,100.97
  4. Step 4: Simplify right side
    6,781.07x = 21,373,301.80
  5. Step 5: Solve for x
    x = 21,373,301.80/6,781.07
  6. Step 6: Final answer
    x = 3,151.91

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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.