Home / 6,781.44-10,172.36-3,270.92

Finding the Fourth Proportional to 6,781.44, 10,172.36 and 3,270.92

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Solution

The fourth proportional to 6,781.44, 10,172.36 and 3,270.92 is: 4,906.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.44 : 10,172.36 = 3,270.92 : x
  2. Step 2: Convert to fraction form
    6,781.44/10,172.36 = 3,270.92/x
  3. Step 3: Cross multiply
    6,781.44x = 10,172.36 × 3,270.92
  4. Step 4: Simplify right side
    6,781.44x = 33,272,975.77
  5. Step 5: Solve for x
    x = 33,272,975.77/6,781.44
  6. Step 6: Final answer
    x = 4,906.48

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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.