Home / 7,990.26-11,987.55-2,796.54

Finding the Fourth Proportional to 7,990.26, 11,987.55 and 2,796.54

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Solution

The fourth proportional to 7,990.26, 11,987.55 and 2,796.54 is: 4,195.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.26 : 11,987.55 = 2,796.54 : x
  2. Step 2: Convert to fraction form
    7,990.26/11,987.55 = 2,796.54/x
  3. Step 3: Cross multiply
    7,990.26x = 11,987.55 × 2,796.54
  4. Step 4: Simplify right side
    7,990.26x = 33,523,663.08
  5. Step 5: Solve for x
    x = 33,523,663.08/7,990.26
  6. Step 6: Final answer
    x = 4,195.57

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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.