Home / 4,169.28-6,254.14-1,247.61

Finding the Fourth Proportional to 4,169.28, 6,254.14 and 1,247.61

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Solution

The fourth proportional to 4,169.28, 6,254.14 and 1,247.61 is: 1,871.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,169.28 : 6,254.14 = 1,247.61 : x
  2. Step 2: Convert to fraction form
    4,169.28/6,254.14 = 1,247.61/x
  3. Step 3: Cross multiply
    4,169.28x = 6,254.14 × 1,247.61
  4. Step 4: Simplify right side
    4,169.28x = 7,802,727.61
  5. Step 5: Solve for x
    x = 7,802,727.61/4,169.28
  6. Step 6: Final answer
    x = 1,871.48

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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.