Home / 6,781.67-10,173.42-6,371.61

Finding the Fourth Proportional to 6,781.67, 10,173.42 and 6,371.61

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Solution

The fourth proportional to 6,781.67, 10,173.42 and 6,371.61 is: 9,558.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.67 : 10,173.42 = 6,371.61 : x
  2. Step 2: Convert to fraction form
    6,781.67/10,173.42 = 6,371.61/x
  3. Step 3: Cross multiply
    6,781.67x = 10,173.42 × 6,371.61
  4. Step 4: Simplify right side
    6,781.67x = 64,820,981.88
  5. Step 5: Solve for x
    x = 64,820,981.88/6,781.67
  6. Step 6: Final answer
    x = 9,558.26

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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.