Home / 4,138.66-6,207.99-2,911.56

Finding the Fourth Proportional to 4,138.66, 6,207.99 and 2,911.56

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Solution

The fourth proportional to 4,138.66, 6,207.99 and 2,911.56 is: 4,367.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.66 : 6,207.99 = 2,911.56 : x
  2. Step 2: Convert to fraction form
    4,138.66/6,207.99 = 2,911.56/x
  3. Step 3: Cross multiply
    4,138.66x = 6,207.99 × 2,911.56
  4. Step 4: Simplify right side
    4,138.66x = 18,074,935.36
  5. Step 5: Solve for x
    x = 18,074,935.36/4,138.66
  6. Step 6: Final answer
    x = 4,367.34

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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.