Home / 7,519.42-11,278.32-3,824

Finding the Fourth Proportional to 7,519.42, 11,278.32 and 3,824

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Solution

The fourth proportional to 7,519.42, 11,278.32 and 3,824 is: 5,735.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.42 : 11,278.32 = 3,824 : x
  2. Step 2: Convert to fraction form
    7,519.42/11,278.32 = 3,824/x
  3. Step 3: Cross multiply
    7,519.42x = 11,278.32 × 3,824
  4. Step 4: Simplify right side
    7,519.42x = 43,128,295.68
  5. Step 5: Solve for x
    x = 43,128,295.68/7,519.42
  6. Step 6: Final answer
    x = 5,735.59

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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.