Home / 5,251.01-7,872.61-2,288.89

Finding the Fourth Proportional to 5,251.01, 7,872.61 and 2,288.89

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Solution

The fourth proportional to 5,251.01, 7,872.61 and 2,288.89 is: 3,431.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.01 : 7,872.61 = 2,288.89 : x
  2. Step 2: Convert to fraction form
    5,251.01/7,872.61 = 2,288.89/x
  3. Step 3: Cross multiply
    5,251.01x = 7,872.61 × 2,288.89
  4. Step 4: Simplify right side
    5,251.01x = 18,019,546.71
  5. Step 5: Solve for x
    x = 18,019,546.71/5,251.01
  6. Step 6: Final answer
    x = 3,431.63

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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.