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Finding the Fourth Proportional to 5,495.19, 8,241.39 and 2,719.23

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Solution

The fourth proportional to 5,495.19, 8,241.39 and 2,719.23 is: 4,078.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,495.19 : 8,241.39 = 2,719.23 : x
  2. Step 2: Convert to fraction form
    5,495.19/8,241.39 = 2,719.23/x
  3. Step 3: Cross multiply
    5,495.19x = 8,241.39 × 2,719.23
  4. Step 4: Simplify right side
    5,495.19x = 22,410,234.93
  5. Step 5: Solve for x
    x = 22,410,234.93/5,495.19
  6. Step 6: Final answer
    x = 4,078.15

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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.