Home / 7,424.78-11,134.40-2,493.27

Finding the Fourth Proportional to 7,424.78, 11,134.40 and 2,493.27

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Solution

The fourth proportional to 7,424.78, 11,134.40 and 2,493.27 is: 3,738.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.78 : 11,134.40 = 2,493.27 : x
  2. Step 2: Convert to fraction form
    7,424.78/11,134.40 = 2,493.27/x
  3. Step 3: Cross multiply
    7,424.78x = 11,134.40 × 2,493.27
  4. Step 4: Simplify right side
    7,424.78x = 27,761,053.02
  5. Step 5: Solve for x
    x = 27,761,053.02/7,424.78
  6. Step 6: Final answer
    x = 3,738.98

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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.