Home / 5,511.09-8,262.89-1,811.97

Finding the Fourth Proportional to 5,511.09, 8,262.89 and 1,811.97

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Solution

The fourth proportional to 5,511.09, 8,262.89 and 1,811.97 is: 2,716.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.09 : 8,262.89 = 1,811.97 : x
  2. Step 2: Convert to fraction form
    5,511.09/8,262.89 = 1,811.97/x
  3. Step 3: Cross multiply
    5,511.09x = 8,262.89 × 1,811.97
  4. Step 4: Simplify right side
    5,511.09x = 14,972,099.73
  5. Step 5: Solve for x
    x = 14,972,099.73/5,511.09
  6. Step 6: Final answer
    x = 2,716.72

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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.