Home / 9,180.75-13,771.17-2,255.25

Finding the Fourth Proportional to 9,180.75, 13,771.17 and 2,255.25

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Solution

The fourth proportional to 9,180.75, 13,771.17 and 2,255.25 is: 3,382.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.75 : 13,771.17 = 2,255.25 : x
  2. Step 2: Convert to fraction form
    9,180.75/13,771.17 = 2,255.25/x
  3. Step 3: Cross multiply
    9,180.75x = 13,771.17 × 2,255.25
  4. Step 4: Simplify right side
    9,180.75x = 31,057,431.14
  5. Step 5: Solve for x
    x = 31,057,431.14/9,180.75
  6. Step 6: Final answer
    x = 3,382.89

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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.