Home / 4,140.72-6,203.79-1,917.27

Finding the Fourth Proportional to 4,140.72, 6,203.79 and 1,917.27

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Solution

The fourth proportional to 4,140.72, 6,203.79 and 1,917.27 is: 2,872.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.72 : 6,203.79 = 1,917.27 : x
  2. Step 2: Convert to fraction form
    4,140.72/6,203.79 = 1,917.27/x
  3. Step 3: Cross multiply
    4,140.72x = 6,203.79 × 1,917.27
  4. Step 4: Simplify right side
    4,140.72x = 11,894,340.45
  5. Step 5: Solve for x
    x = 11,894,340.45/4,140.72
  6. Step 6: Final answer
    x = 2,872.53

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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.