Home / 4,190.82-6,286.02-1,269.36

Finding the Fourth Proportional to 4,190.82, 6,286.02 and 1,269.36

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Solution

The fourth proportional to 4,190.82, 6,286.02 and 1,269.36 is: 1,903.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.82 : 6,286.02 = 1,269.36 : x
  2. Step 2: Convert to fraction form
    4,190.82/6,286.02 = 1,269.36/x
  3. Step 3: Cross multiply
    4,190.82x = 6,286.02 × 1,269.36
  4. Step 4: Simplify right side
    4,190.82x = 7,979,222.35
  5. Step 5: Solve for x
    x = 7,979,222.35/4,190.82
  6. Step 6: Final answer
    x = 1,903.98

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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.