Home / 7,378.36-11,067.18-2,761

Finding the Fourth Proportional to 7,378.36, 11,067.18 and 2,761

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Solution

The fourth proportional to 7,378.36, 11,067.18 and 2,761 is: 4,141.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.36 : 11,067.18 = 2,761 : x
  2. Step 2: Convert to fraction form
    7,378.36/11,067.18 = 2,761/x
  3. Step 3: Cross multiply
    7,378.36x = 11,067.18 × 2,761
  4. Step 4: Simplify right side
    7,378.36x = 30,556,483.98
  5. Step 5: Solve for x
    x = 30,556,483.98/7,378.36
  6. Step 6: Final answer
    x = 4,141.37

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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.