Home / 4,189.56-6,284.64-1,268.09

Finding the Fourth Proportional to 4,189.56, 6,284.64 and 1,268.09

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Solution

The fourth proportional to 4,189.56, 6,284.64 and 1,268.09 is: 1,902.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.56 : 6,284.64 = 1,268.09 : x
  2. Step 2: Convert to fraction form
    4,189.56/6,284.64 = 1,268.09/x
  3. Step 3: Cross multiply
    4,189.56x = 6,284.64 × 1,268.09
  4. Step 4: Simplify right side
    4,189.56x = 7,969,482.80
  5. Step 5: Solve for x
    x = 7,969,482.80/4,189.56
  6. Step 6: Final answer
    x = 1,902.23

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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.