Home / 4,138.38-6,207.81-1,365.09

Finding the Fourth Proportional to 4,138.38, 6,207.81 and 1,365.09

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Solution

The fourth proportional to 4,138.38, 6,207.81 and 1,365.09 is: 2,047.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.38 : 6,207.81 = 1,365.09 : x
  2. Step 2: Convert to fraction form
    4,138.38/6,207.81 = 1,365.09/x
  3. Step 3: Cross multiply
    4,138.38x = 6,207.81 × 1,365.09
  4. Step 4: Simplify right side
    4,138.38x = 8,474,219.35
  5. Step 5: Solve for x
    x = 8,474,219.35/4,138.38
  6. Step 6: Final answer
    x = 2,047.71

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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.