Home / 5,125.28-7,690.66-2,203.41

Finding the Fourth Proportional to 5,125.28, 7,690.66 and 2,203.41

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Solution

The fourth proportional to 5,125.28, 7,690.66 and 2,203.41 is: 3,306.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.28 : 7,690.66 = 2,203.41 : x
  2. Step 2: Convert to fraction form
    5,125.28/7,690.66 = 2,203.41/x
  3. Step 3: Cross multiply
    5,125.28x = 7,690.66 × 2,203.41
  4. Step 4: Simplify right side
    5,125.28x = 16,945,671.64
  5. Step 5: Solve for x
    x = 16,945,671.64/5,125.28
  6. Step 6: Final answer
    x = 3,306.29

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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.