Home / 7,722.68-11,573.94-3,108.92

Finding the Fourth Proportional to 7,722.68, 11,573.94 and 3,108.92

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Solution

The fourth proportional to 7,722.68, 11,573.94 and 3,108.92 is: 4,659.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.68 : 11,573.94 = 3,108.92 : x
  2. Step 2: Convert to fraction form
    7,722.68/11,573.94 = 3,108.92/x
  3. Step 3: Cross multiply
    7,722.68x = 11,573.94 × 3,108.92
  4. Step 4: Simplify right side
    7,722.68x = 35,982,453.54
  5. Step 5: Solve for x
    x = 35,982,453.54/7,722.68
  6. Step 6: Final answer
    x = 4,659.32

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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.