Home / 7,948.80-11,928.83-3,273.03

Finding the Fourth Proportional to 7,948.80, 11,928.83 and 3,273.03

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Solution

The fourth proportional to 7,948.80, 11,928.83 and 3,273.03 is: 4,911.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.80 : 11,928.83 = 3,273.03 : x
  2. Step 2: Convert to fraction form
    7,948.80/11,928.83 = 3,273.03/x
  3. Step 3: Cross multiply
    7,948.80x = 11,928.83 × 3,273.03
  4. Step 4: Simplify right side
    7,948.80x = 39,043,402.09
  5. Step 5: Solve for x
    x = 39,043,402.09/7,948.80
  6. Step 6: Final answer
    x = 4,911.86

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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.