Home / 5,425.05-8,138.83-1,727.27

Finding the Fourth Proportional to 5,425.05, 8,138.83 and 1,727.27

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Solution

The fourth proportional to 5,425.05, 8,138.83 and 1,727.27 is: 2,591.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.05 : 8,138.83 = 1,727.27 : x
  2. Step 2: Convert to fraction form
    5,425.05/8,138.83 = 1,727.27/x
  3. Step 3: Cross multiply
    5,425.05x = 8,138.83 × 1,727.27
  4. Step 4: Simplify right side
    5,425.05x = 14,057,991.42
  5. Step 5: Solve for x
    x = 14,057,991.42/5,425.05
  6. Step 6: Final answer
    x = 2,591.31

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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.