Home / 5,125.28-7,687.71-2,203.61

Finding the Fourth Proportional to 5,125.28, 7,687.71 and 2,203.61

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Solution

The fourth proportional to 5,125.28, 7,687.71 and 2,203.61 is: 3,305.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.28 : 7,687.71 = 2,203.61 : x
  2. Step 2: Convert to fraction form
    5,125.28/7,687.71 = 2,203.61/x
  3. Step 3: Cross multiply
    5,125.28x = 7,687.71 × 2,203.61
  4. Step 4: Simplify right side
    5,125.28x = 16,940,676.19
  5. Step 5: Solve for x
    x = 16,940,676.19/5,125.28
  6. Step 6: Final answer
    x = 3,305.32

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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.