Home / 7,992.26-11,990.56-2,798.54

Finding the Fourth Proportional to 7,992.26, 11,990.56 and 2,798.54

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Solution

The fourth proportional to 7,992.26, 11,990.56 and 2,798.54 is: 4,198.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.26 : 11,990.56 = 2,798.54 : x
  2. Step 2: Convert to fraction form
    7,992.26/11,990.56 = 2,798.54/x
  3. Step 3: Cross multiply
    7,992.26x = 11,990.56 × 2,798.54
  4. Step 4: Simplify right side
    7,992.26x = 33,556,061.78
  5. Step 5: Solve for x
    x = 33,556,061.78/7,992.26
  6. Step 6: Final answer
    x = 4,198.57

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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.