Home / 4,190.54-6,286.41-1,269.09

Finding the Fourth Proportional to 4,190.54, 6,286.41 and 1,269.09

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Solution

The fourth proportional to 4,190.54, 6,286.41 and 1,269.09 is: 1,903.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.54 : 6,286.41 = 1,269.09 : x
  2. Step 2: Convert to fraction form
    4,190.54/6,286.41 = 1,269.09/x
  3. Step 3: Cross multiply
    4,190.54x = 6,286.41 × 1,269.09
  4. Step 4: Simplify right side
    4,190.54x = 7,978,020.07
  5. Step 5: Solve for x
    x = 7,978,020.07/4,190.54
  6. Step 6: Final answer
    x = 1,903.82

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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.