Home / 5,511.03-8,262.78-1,812.71

Finding the Fourth Proportional to 5,511.03, 8,262.78 and 1,812.71

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Solution

The fourth proportional to 5,511.03, 8,262.78 and 1,812.71 is: 2,717.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.03 : 8,262.78 = 1,812.71 : x
  2. Step 2: Convert to fraction form
    5,511.03/8,262.78 = 1,812.71/x
  3. Step 3: Cross multiply
    5,511.03x = 8,262.78 × 1,812.71
  4. Step 4: Simplify right side
    5,511.03x = 14,978,037.79
  5. Step 5: Solve for x
    x = 14,978,037.79/5,511.03
  6. Step 6: Final answer
    x = 2,717.83

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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.