Home / 5,508.92-8,262.56-1,811.28

Finding the Fourth Proportional to 5,508.92, 8,262.56 and 1,811.28

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Solution

The fourth proportional to 5,508.92, 8,262.56 and 1,811.28 is: 2,716.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,508.92 : 8,262.56 = 1,811.28 : x
  2. Step 2: Convert to fraction form
    5,508.92/8,262.56 = 1,811.28/x
  3. Step 3: Cross multiply
    5,508.92x = 8,262.56 × 1,811.28
  4. Step 4: Simplify right side
    5,508.92x = 14,965,809.68
  5. Step 5: Solve for x
    x = 14,965,809.68/5,508.92
  6. Step 6: Final answer
    x = 2,716.65

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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.