Home / 5,227.34-7,837.79-2,221.83

Finding the Fourth Proportional to 5,227.34, 7,837.79 and 2,221.83

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Solution

The fourth proportional to 5,227.34, 7,837.79 and 2,221.83 is: 3,331.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.34 : 7,837.79 = 2,221.83 : x
  2. Step 2: Convert to fraction form
    5,227.34/7,837.79 = 2,221.83/x
  3. Step 3: Cross multiply
    5,227.34x = 7,837.79 × 2,221.83
  4. Step 4: Simplify right side
    5,227.34x = 17,414,225.85
  5. Step 5: Solve for x
    x = 17,414,225.85/5,227.34
  6. Step 6: Final answer
    x = 3,331.38

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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.