Home / 8,408.21-12,601.52-3,481.25

Finding the Fourth Proportional to 8,408.21, 12,601.52 and 3,481.25

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Solution

The fourth proportional to 8,408.21, 12,601.52 and 3,481.25 is: 5,217.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408.21 : 12,601.52 = 3,481.25 : x
  2. Step 2: Convert to fraction form
    8,408.21/12,601.52 = 3,481.25/x
  3. Step 3: Cross multiply
    8,408.21x = 12,601.52 × 3,481.25
  4. Step 4: Simplify right side
    8,408.21x = 43,869,055.60
  5. Step 5: Solve for x
    x = 43,869,055.60/8,408.21
  6. Step 6: Final answer
    x = 5,217.41

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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.