Home / 5,408.96-8,103.92-2,481.12

Finding the Fourth Proportional to 5,408.96, 8,103.92 and 2,481.12

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Solution

The fourth proportional to 5,408.96, 8,103.92 and 2,481.12 is: 3,717.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.96 : 8,103.92 = 2,481.12 : x
  2. Step 2: Convert to fraction form
    5,408.96/8,103.92 = 2,481.12/x
  3. Step 3: Cross multiply
    5,408.96x = 8,103.92 × 2,481.12
  4. Step 4: Simplify right side
    5,408.96x = 20,106,797.99
  5. Step 5: Solve for x
    x = 20,106,797.99/5,408.96
  6. Step 6: Final answer
    x = 3,717.31

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1.5x scale

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.