Home / 4,992.24-7,481.52-1,912.56

Finding the Fourth Proportional to 4,992.24, 7,481.52 and 1,912.56

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Solution

The fourth proportional to 4,992.24, 7,481.52 and 1,912.56 is: 2,866.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.24 : 7,481.52 = 1,912.56 : x
  2. Step 2: Convert to fraction form
    4,992.24/7,481.52 = 1,912.56/x
  3. Step 3: Cross multiply
    4,992.24x = 7,481.52 × 1,912.56
  4. Step 4: Simplify right side
    4,992.24x = 14,308,855.89
  5. Step 5: Solve for x
    x = 14,308,855.89/4,992.24
  6. Step 6: Final answer
    x = 2,866.22

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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.