Home / 7,717.92-11,561.44-3,552.22

Finding the Fourth Proportional to 7,717.92, 11,561.44 and 3,552.22

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Solution

The fourth proportional to 7,717.92, 11,561.44 and 3,552.22 is: 5,321.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.92 : 11,561.44 = 3,552.22 : x
  2. Step 2: Convert to fraction form
    7,717.92/11,561.44 = 3,552.22/x
  3. Step 3: Cross multiply
    7,717.92x = 11,561.44 × 3,552.22
  4. Step 4: Simplify right side
    7,717.92x = 41,068,778.40
  5. Step 5: Solve for x
    x = 41,068,778.40/7,717.92
  6. Step 6: Final answer
    x = 5,321.22

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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.