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Finding the Fourth Proportional to 5,394.79, 8,080.03 and 2,763.10

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Solution

The fourth proportional to 5,394.79, 8,080.03 and 2,763.10 is: 4,138.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,394.79 : 8,080.03 = 2,763.10 : x
  2. Step 2: Convert to fraction form
    5,394.79/8,080.03 = 2,763.10/x
  3. Step 3: Cross multiply
    5,394.79x = 8,080.03 × 2,763.10
  4. Step 4: Simplify right side
    5,394.79x = 22,325,914.15
  5. Step 5: Solve for x
    x = 22,325,914.15/5,394.79
  6. Step 6: Final answer
    x = 4,138.42

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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.