Home / 4,190.69-6,286.02-1,268.99

Finding the Fourth Proportional to 4,190.69, 6,286.02 and 1,268.99

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Solution

The fourth proportional to 4,190.69, 6,286.02 and 1,268.99 is: 1,903.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.69 : 6,286.02 = 1,268.99 : x
  2. Step 2: Convert to fraction form
    4,190.69/6,286.02 = 1,268.99/x
  3. Step 3: Cross multiply
    4,190.69x = 6,286.02 × 1,268.99
  4. Step 4: Simplify right side
    4,190.69x = 7,976,896.52
  5. Step 5: Solve for x
    x = 7,976,896.52/4,190.69
  6. Step 6: Final answer
    x = 1,903.48

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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.