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Finding the Fourth Proportional to 5,880.80, 8,821.02 and 2,183.78

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Solution

The fourth proportional to 5,880.80, 8,821.02 and 2,183.78 is: 3,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.80 : 8,821.02 = 2,183.78 : x
  2. Step 2: Convert to fraction form
    5,880.80/8,821.02 = 2,183.78/x
  3. Step 3: Cross multiply
    5,880.80x = 8,821.02 × 2,183.78
  4. Step 4: Simplify right side
    5,880.80x = 19,263,167.06
  5. Step 5: Solve for x
    x = 19,263,167.06/5,880.80
  6. Step 6: Final answer
    x = 3,275.60

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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.