Home / 5,408.00-8,105.16-2,635.54

Finding the Fourth Proportional to 5,408.00, 8,105.16 and 2,635.54

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Solution

The fourth proportional to 5,408.00, 8,105.16 and 2,635.54 is: 3,949.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.00 : 8,105.16 = 2,635.54 : x
  2. Step 2: Convert to fraction form
    5,408.00/8,105.16 = 2,635.54/x
  3. Step 3: Cross multiply
    5,408.00x = 8,105.16 × 2,635.54
  4. Step 4: Simplify right side
    5,408.00x = 21,361,463.01
  5. Step 5: Solve for x
    x = 21,361,463.01/5,408.00
  6. Step 6: Final answer
    x = 3,949.98

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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.