Home / 6,721.84-10,083.30-1,791.46

Finding the Fourth Proportional to 6,721.84, 10,083.30 and 1,791.46

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Solution

The fourth proportional to 6,721.84, 10,083.30 and 1,791.46 is: 2,687.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.84 : 10,083.30 = 1,791.46 : x
  2. Step 2: Convert to fraction form
    6,721.84/10,083.30 = 1,791.46/x
  3. Step 3: Cross multiply
    6,721.84x = 10,083.30 × 1,791.46
  4. Step 4: Simplify right side
    6,721.84x = 18,063,828.62
  5. Step 5: Solve for x
    x = 18,063,828.62/6,721.84
  6. Step 6: Final answer
    x = 2,687.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.