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Finding the Fourth Proportional to 4,850, 6,693 and 2,642

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Solution

The fourth proportional to 4,850, 6,693 and 2,642 is: 3,645.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,850 : 6,693 = 2,642 : x
  2. Step 2: Convert to fraction form
    4,850/6,693 = 2,642/x
  3. Step 3: Cross multiply
    4,850x = 6,693 × 2,642
  4. Step 4: Simplify right side
    4,850x = 17,682,906
  5. Step 5: Solve for x
    x = 17,682,906/4,850
  6. Step 6: Final answer
    x = 3,645.96

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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.