Home / 9,091.21-12,546.82-5,556.78

Finding the Fourth Proportional to 9,091.21, 12,546.82 and 5,556.78

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Solution

The fourth proportional to 9,091.21, 12,546.82 and 5,556.78 is: 7,668.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.21 : 12,546.82 = 5,556.78 : x
  2. Step 2: Convert to fraction form
    9,091.21/12,546.82 = 5,556.78/x
  3. Step 3: Cross multiply
    9,091.21x = 12,546.82 × 5,556.78
  4. Step 4: Simplify right side
    9,091.21x = 69,719,918.44
  5. Step 5: Solve for x
    x = 69,719,918.44/9,091.21
  6. Step 6: Final answer
    x = 7,668.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.