Home / 5,408.22-8,115.53-2,288.05

Finding the Fourth Proportional to 5,408.22, 8,115.53 and 2,288.05

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Solution

The fourth proportional to 5,408.22, 8,115.53 and 2,288.05 is: 3,433.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.22 : 8,115.53 = 2,288.05 : x
  2. Step 2: Convert to fraction form
    5,408.22/8,115.53 = 2,288.05/x
  3. Step 3: Cross multiply
    5,408.22x = 8,115.53 × 2,288.05
  4. Step 4: Simplify right side
    5,408.22x = 18,568,738.42
  5. Step 5: Solve for x
    x = 18,568,738.42/5,408.22
  6. Step 6: Final answer
    x = 3,433.43

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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.