Home / 5,408.62-8,113.77-2,288.64

Finding the Fourth Proportional to 5,408.62, 8,113.77 and 2,288.64

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Solution

The fourth proportional to 5,408.62, 8,113.77 and 2,288.64 is: 3,433.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.62 : 8,113.77 = 2,288.64 : x
  2. Step 2: Convert to fraction form
    5,408.62/8,113.77 = 2,288.64/x
  3. Step 3: Cross multiply
    5,408.62x = 8,113.77 × 2,288.64
  4. Step 4: Simplify right side
    5,408.62x = 18,569,519.34
  5. Step 5: Solve for x
    x = 18,569,519.34/5,408.62
  6. Step 6: Final answer
    x = 3,433.32

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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.