Home / 5,580.20-8,363.79-4,105.70

Finding the Fourth Proportional to 5,580.20, 8,363.79 and 4,105.70

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Solution

The fourth proportional to 5,580.20, 8,363.79 and 4,105.70 is: 6,153.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.20 : 8,363.79 = 4,105.70 : x
  2. Step 2: Convert to fraction form
    5,580.20/8,363.79 = 4,105.70/x
  3. Step 3: Cross multiply
    5,580.20x = 8,363.79 × 4,105.70
  4. Step 4: Simplify right side
    5,580.20x = 34,339,212.60
  5. Step 5: Solve for x
    x = 34,339,212.60/5,580.20
  6. Step 6: Final answer
    x = 6,153.76

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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.