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Finding the Fourth Proportional to 4,789, 6,608.82 and 2,693.80

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Solution

The fourth proportional to 4,789, 6,608.82 and 2,693.80 is: 3,717.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789 : 6,608.82 = 2,693.80 : x
  2. Step 2: Convert to fraction form
    4,789/6,608.82 = 2,693.80/x
  3. Step 3: Cross multiply
    4,789x = 6,608.82 × 2,693.80
  4. Step 4: Simplify right side
    4,789x = 17,802,839.32
  5. Step 5: Solve for x
    x = 17,802,839.32/4,789
  6. Step 6: Final answer
    x = 3,717.44

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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.