Home / 6,781.17-10,172.67-6,371.11

Finding the Fourth Proportional to 6,781.17, 10,172.67 and 6,371.11

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Solution

The fourth proportional to 6,781.17, 10,172.67 and 6,371.11 is: 9,557.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.17 : 10,172.67 = 6,371.11 : x
  2. Step 2: Convert to fraction form
    6,781.17/10,172.67 = 6,371.11/x
  3. Step 3: Cross multiply
    6,781.17x = 10,172.67 × 6,371.11
  4. Step 4: Simplify right side
    6,781.17x = 64,811,116.84
  5. Step 5: Solve for x
    x = 64,811,116.84/6,781.17
  6. Step 6: Final answer
    x = 9,557.51

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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.