Home / 4,192.29-6,287.22-1,271.43

Finding the Fourth Proportional to 4,192.29, 6,287.22 and 1,271.43

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Solution

The fourth proportional to 4,192.29, 6,287.22 and 1,271.43 is: 1,906.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.29 : 6,287.22 = 1,271.43 : x
  2. Step 2: Convert to fraction form
    4,192.29/6,287.22 = 1,271.43/x
  3. Step 3: Cross multiply
    4,192.29x = 6,287.22 × 1,271.43
  4. Step 4: Simplify right side
    4,192.29x = 7,993,760.12
  5. Step 5: Solve for x
    x = 7,993,760.12/4,192.29
  6. Step 6: Final answer
    x = 1,906.78

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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.