Home / 8,132.22-11,246.07-7,984.56

Finding the Fourth Proportional to 8,132.22, 11,246.07 and 7,984.56

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Solution

The fourth proportional to 8,132.22, 11,246.07 and 7,984.56 is: 11,041.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.22 : 11,246.07 = 7,984.56 : x
  2. Step 2: Convert to fraction form
    8,132.22/11,246.07 = 7,984.56/x
  3. Step 3: Cross multiply
    8,132.22x = 11,246.07 × 7,984.56
  4. Step 4: Simplify right side
    8,132.22x = 89,794,920.68
  5. Step 5: Solve for x
    x = 89,794,920.68/8,132.22
  6. Step 6: Final answer
    x = 11,041.87

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1.5x scale

Why These Related Problems?

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