Home / 4,906.31-6,768.99-2,781.53

Finding the Fourth Proportional to 4,906.31, 6,768.99 and 2,781.53

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Solution

The fourth proportional to 4,906.31, 6,768.99 and 2,781.53 is: 3,837.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.31 : 6,768.99 = 2,781.53 : x
  2. Step 2: Convert to fraction form
    4,906.31/6,768.99 = 2,781.53/x
  3. Step 3: Cross multiply
    4,906.31x = 6,768.99 × 2,781.53
  4. Step 4: Simplify right side
    4,906.31x = 18,828,148.75
  5. Step 5: Solve for x
    x = 18,828,148.75/4,906.31
  6. Step 6: Final answer
    x = 3,837.54

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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.