Home / 7,519.24-11,277.78-3,135.88

Finding the Fourth Proportional to 7,519.24, 11,277.78 and 3,135.88

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Solution

The fourth proportional to 7,519.24, 11,277.78 and 3,135.88 is: 4,703.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.24 : 11,277.78 = 3,135.88 : x
  2. Step 2: Convert to fraction form
    7,519.24/11,277.78 = 3,135.88/x
  3. Step 3: Cross multiply
    7,519.24x = 11,277.78 × 3,135.88
  4. Step 4: Simplify right side
    7,519.24x = 35,365,764.75
  5. Step 5: Solve for x
    x = 35,365,764.75/7,519.24
  6. Step 6: Final answer
    x = 4,703.37

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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.