Home / 4,107.36-6,161.38-1,640.83

Finding the Fourth Proportional to 4,107.36, 6,161.38 and 1,640.83

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Solution

The fourth proportional to 4,107.36, 6,161.38 and 1,640.83 is: 2,461.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,107.36 : 6,161.38 = 1,640.83 : x
  2. Step 2: Convert to fraction form
    4,107.36/6,161.38 = 1,640.83/x
  3. Step 3: Cross multiply
    4,107.36x = 6,161.38 × 1,640.83
  4. Step 4: Simplify right side
    4,107.36x = 10,109,768.94
  5. Step 5: Solve for x
    x = 10,109,768.94/4,107.36
  6. Step 6: Final answer
    x = 2,461.38

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1.5x scale

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.