Home / 4,408.83-6,612.93-1,121.94

Finding the Fourth Proportional to 4,408.83, 6,612.93 and 1,121.94

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Solution

The fourth proportional to 4,408.83, 6,612.93 and 1,121.94 is: 1,682.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,408.83 : 6,612.93 = 1,121.94 : x
  2. Step 2: Convert to fraction form
    4,408.83/6,612.93 = 1,121.94/x
  3. Step 3: Cross multiply
    4,408.83x = 6,612.93 × 1,121.94
  4. Step 4: Simplify right side
    4,408.83x = 7,419,310.68
  5. Step 5: Solve for x
    x = 7,419,310.68/4,408.83
  6. Step 6: Final answer
    x = 1,682.83

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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.