Home / 4,192.11-6,288.17-1,072.12

Finding the Fourth Proportional to 4,192.11, 6,288.17 and 1,072.12

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Solution

The fourth proportional to 4,192.11, 6,288.17 and 1,072.12 is: 1,608.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.11 : 6,288.17 = 1,072.12 : x
  2. Step 2: Convert to fraction form
    4,192.11/6,288.17 = 1,072.12/x
  3. Step 3: Cross multiply
    4,192.11x = 6,288.17 × 1,072.12
  4. Step 4: Simplify right side
    4,192.11x = 6,741,672.82
  5. Step 5: Solve for x
    x = 6,741,672.82/4,192.11
  6. Step 6: Final answer
    x = 1,608.18

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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.