Home / 5,511.72-8,268.93-2,739.70

Finding the Fourth Proportional to 5,511.72, 8,268.93 and 2,739.70

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Solution

The fourth proportional to 5,511.72, 8,268.93 and 2,739.70 is: 4,110.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.72 : 8,268.93 = 2,739.70 : x
  2. Step 2: Convert to fraction form
    5,511.72/8,268.93 = 2,739.70/x
  3. Step 3: Cross multiply
    5,511.72x = 8,268.93 × 2,739.70
  4. Step 4: Simplify right side
    5,511.72x = 22,654,366.85
  5. Step 5: Solve for x
    x = 22,654,366.85/5,511.72
  6. Step 6: Final answer
    x = 4,110.22

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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.