Home / 4,815-6,644.86-2,951.64

Finding the Fourth Proportional to 4,815, 6,644.86 and 2,951.64

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Solution

The fourth proportional to 4,815, 6,644.86 and 2,951.64 is: 4,073.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815 : 6,644.86 = 2,951.64 : x
  2. Step 2: Convert to fraction form
    4,815/6,644.86 = 2,951.64/x
  3. Step 3: Cross multiply
    4,815x = 6,644.86 × 2,951.64
  4. Step 4: Simplify right side
    4,815x = 19,613,234.57
  5. Step 5: Solve for x
    x = 19,613,234.57/4,815
  6. Step 6: Final answer
    x = 4,073.36

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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.