Home / 9,180.88-13,771.32-2,255.38

Finding the Fourth Proportional to 9,180.88, 13,771.32 and 2,255.38

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Solution

The fourth proportional to 9,180.88, 13,771.32 and 2,255.38 is: 3,383.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.88 : 13,771.32 = 2,255.38 : x
  2. Step 2: Convert to fraction form
    9,180.88/13,771.32 = 2,255.38/x
  3. Step 3: Cross multiply
    9,180.88x = 13,771.32 × 2,255.38
  4. Step 4: Simplify right side
    9,180.88x = 31,059,559.70
  5. Step 5: Solve for x
    x = 31,059,559.70/9,180.88
  6. Step 6: Final answer
    x = 3,383.07

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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.