Home / 7,945.44-11,922-3,268.90

Finding the Fourth Proportional to 7,945.44, 11,922 and 3,268.90

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Solution

The fourth proportional to 7,945.44, 11,922 and 3,268.90 is: 4,904.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.44 : 11,922 = 3,268.90 : x
  2. Step 2: Convert to fraction form
    7,945.44/11,922 = 3,268.90/x
  3. Step 3: Cross multiply
    7,945.44x = 11,922 × 3,268.90
  4. Step 4: Simplify right side
    7,945.44x = 38,971,825.80
  5. Step 5: Solve for x
    x = 38,971,825.80/7,945.44
  6. Step 6: Final answer
    x = 4,904.93

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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.