Home / 5,408.44-8,109.90-2,635.24

Finding the Fourth Proportional to 5,408.44, 8,109.90 and 2,635.24

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Solution

The fourth proportional to 5,408.44, 8,109.90 and 2,635.24 is: 3,951.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.44 : 8,109.90 = 2,635.24 : x
  2. Step 2: Convert to fraction form
    5,408.44/8,109.90 = 2,635.24/x
  3. Step 3: Cross multiply
    5,408.44x = 8,109.90 × 2,635.24
  4. Step 4: Simplify right side
    5,408.44x = 21,371,532.88
  5. Step 5: Solve for x
    x = 21,371,532.88/5,408.44
  6. Step 6: Final answer
    x = 3,951.52

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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.