Home / 8,408.26-12,614.36-2,564.87

Finding the Fourth Proportional to 8,408.26, 12,614.36 and 2,564.87

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Solution

The fourth proportional to 8,408.26, 12,614.36 and 2,564.87 is: 3,847.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408.26 : 12,614.36 = 2,564.87 : x
  2. Step 2: Convert to fraction form
    8,408.26/12,614.36 = 2,564.87/x
  3. Step 3: Cross multiply
    8,408.26x = 12,614.36 × 2,564.87
  4. Step 4: Simplify right side
    8,408.26x = 32,354,124.85
  5. Step 5: Solve for x
    x = 32,354,124.85/8,408.26
  6. Step 6: Final answer
    x = 3,847.90

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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.