Home / 7,872.24-11,797.32-6,221.52

Finding the Fourth Proportional to 7,872.24, 11,797.32 and 6,221.52

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Solution

The fourth proportional to 7,872.24, 11,797.32 and 6,221.52 is: 9,323.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,872.24 : 11,797.32 = 6,221.52 : x
  2. Step 2: Convert to fraction form
    7,872.24/11,797.32 = 6,221.52/x
  3. Step 3: Cross multiply
    7,872.24x = 11,797.32 × 6,221.52
  4. Step 4: Simplify right side
    7,872.24x = 73,397,262.33
  5. Step 5: Solve for x
    x = 73,397,262.33/7,872.24
  6. Step 6: Final answer
    x = 9,323.55

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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.