Home / 9,081.25-13,616.99-2,755.25

Finding the Fourth Proportional to 9,081.25, 13,616.99 and 2,755.25

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Solution

The fourth proportional to 9,081.25, 13,616.99 and 2,755.25 is: 4,131.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,081.25 : 13,616.99 = 2,755.25 : x
  2. Step 2: Convert to fraction form
    9,081.25/13,616.99 = 2,755.25/x
  3. Step 3: Cross multiply
    9,081.25x = 13,616.99 × 2,755.25
  4. Step 4: Simplify right side
    9,081.25x = 37,518,211.70
  5. Step 5: Solve for x
    x = 37,518,211.70/9,081.25
  6. Step 6: Final answer
    x = 4,131.39

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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.