Home / 9,208.85-13,801.66-4,991.94

Finding the Fourth Proportional to 9,208.85, 13,801.66 and 4,991.94

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Solution

The fourth proportional to 9,208.85, 13,801.66 and 4,991.94 is: 7,481.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,208.85 : 13,801.66 = 4,991.94 : x
  2. Step 2: Convert to fraction form
    9,208.85/13,801.66 = 4,991.94/x
  3. Step 3: Cross multiply
    9,208.85x = 13,801.66 × 4,991.94
  4. Step 4: Simplify right side
    9,208.85x = 68,897,046.14
  5. Step 5: Solve for x
    x = 68,897,046.14/9,208.85
  6. Step 6: Final answer
    x = 7,481.62

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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.