Home / 5,331.11-7,997.34-1,821.79

Finding the Fourth Proportional to 5,331.11, 7,997.34 and 1,821.79

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Solution

The fourth proportional to 5,331.11, 7,997.34 and 1,821.79 is: 2,732.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.11 : 7,997.34 = 1,821.79 : x
  2. Step 2: Convert to fraction form
    5,331.11/7,997.34 = 1,821.79/x
  3. Step 3: Cross multiply
    5,331.11x = 7,997.34 × 1,821.79
  4. Step 4: Simplify right side
    5,331.11x = 14,569,434.05
  5. Step 5: Solve for x
    x = 14,569,434.05/5,331.11
  6. Step 6: Final answer
    x = 2,732.91

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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.