Home / 7,744.40-11,616.60-2,550.80

Finding the Fourth Proportional to 7,744.40, 11,616.60 and 2,550.80

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Solution

The fourth proportional to 7,744.40, 11,616.60 and 2,550.80 is: 3,826.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,744.40 : 11,616.60 = 2,550.80 : x
  2. Step 2: Convert to fraction form
    7,744.40/11,616.60 = 2,550.80/x
  3. Step 3: Cross multiply
    7,744.40x = 11,616.60 × 2,550.80
  4. Step 4: Simplify right side
    7,744.40x = 29,631,623.28
  5. Step 5: Solve for x
    x = 29,631,623.28/7,744.40
  6. Step 6: Final answer
    x = 3,826.20

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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.