Home / 5,408.25-8,108.73-4,351.20

Finding the Fourth Proportional to 5,408.25, 8,108.73 and 4,351.20

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Solution

The fourth proportional to 5,408.25, 8,108.73 and 4,351.20 is: 6,523.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.25 : 8,108.73 = 4,351.20 : x
  2. Step 2: Convert to fraction form
    5,408.25/8,108.73 = 4,351.20/x
  3. Step 3: Cross multiply
    5,408.25x = 8,108.73 × 4,351.20
  4. Step 4: Simplify right side
    5,408.25x = 35,282,705.98
  5. Step 5: Solve for x
    x = 35,282,705.98/5,408.25
  6. Step 6: Final answer
    x = 6,523.87

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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.