Home / 6,122.92-9,185.70-1,906.09

Finding the Fourth Proportional to 6,122.92, 9,185.70 and 1,906.09

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Solution

The fourth proportional to 6,122.92, 9,185.70 and 1,906.09 is: 2,859.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.92 : 9,185.70 = 1,906.09 : x
  2. Step 2: Convert to fraction form
    6,122.92/9,185.70 = 1,906.09/x
  3. Step 3: Cross multiply
    6,122.92x = 9,185.70 × 1,906.09
  4. Step 4: Simplify right side
    6,122.92x = 17,508,798.64
  5. Step 5: Solve for x
    x = 17,508,798.64/6,122.92
  6. Step 6: Final answer
    x = 2,859.55

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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.