Home / 7,922.40-11,883.24-3,759.36

Finding the Fourth Proportional to 7,922.40, 11,883.24 and 3,759.36

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Solution

The fourth proportional to 7,922.40, 11,883.24 and 3,759.36 is: 5,638.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.40 : 11,883.24 = 3,759.36 : x
  2. Step 2: Convert to fraction form
    7,922.40/11,883.24 = 3,759.36/x
  3. Step 3: Cross multiply
    7,922.40x = 11,883.24 × 3,759.36
  4. Step 4: Simplify right side
    7,922.40x = 44,673,377.13
  5. Step 5: Solve for x
    x = 44,673,377.13/7,922.40
  6. Step 6: Final answer
    x = 5,638.87

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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.