Home / 4,879-6,733.04-2,640.88

Finding the Fourth Proportional to 4,879, 6,733.04 and 2,640.88

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Solution

The fourth proportional to 4,879, 6,733.04 and 2,640.88 is: 3,644.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879 : 6,733.04 = 2,640.88 : x
  2. Step 2: Convert to fraction form
    4,879/6,733.04 = 2,640.88/x
  3. Step 3: Cross multiply
    4,879x = 6,733.04 × 2,640.88
  4. Step 4: Simplify right side
    4,879x = 17,781,150.68
  5. Step 5: Solve for x
    x = 17,781,150.68/4,879
  6. Step 6: Final answer
    x = 3,644.43

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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.