Home / 5,418.26-8,123.89-3,563.76

Finding the Fourth Proportional to 5,418.26, 8,123.89 and 3,563.76

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Solution

The fourth proportional to 5,418.26, 8,123.89 and 3,563.76 is: 5,343.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.26 : 8,123.89 = 3,563.76 : x
  2. Step 2: Convert to fraction form
    5,418.26/8,123.89 = 3,563.76/x
  3. Step 3: Cross multiply
    5,418.26x = 8,123.89 × 3,563.76
  4. Step 4: Simplify right side
    5,418.26x = 28,951,594.23
  5. Step 5: Solve for x
    x = 28,951,594.23/5,418.26
  6. Step 6: Final answer
    x = 5,343.34

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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.