Home / 7,738.08-11,608.84-2,807.61

Finding the Fourth Proportional to 7,738.08, 11,608.84 and 2,807.61

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Solution

The fourth proportional to 7,738.08, 11,608.84 and 2,807.61 is: 4,212.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.08 : 11,608.84 = 2,807.61 : x
  2. Step 2: Convert to fraction form
    7,738.08/11,608.84 = 2,807.61/x
  3. Step 3: Cross multiply
    7,738.08x = 11,608.84 × 2,807.61
  4. Step 4: Simplify right side
    7,738.08x = 32,593,128.44
  5. Step 5: Solve for x
    x = 32,593,128.44/7,738.08
  6. Step 6: Final answer
    x = 4,212.04

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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.