Home / 4,191.26-6,287.54-1,268.87

Finding the Fourth Proportional to 4,191.26, 6,287.54 and 1,268.87

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Solution

The fourth proportional to 4,191.26, 6,287.54 and 1,268.87 is: 1,903.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.26 : 6,287.54 = 1,268.87 : x
  2. Step 2: Convert to fraction form
    4,191.26/6,287.54 = 1,268.87/x
  3. Step 3: Cross multiply
    4,191.26x = 6,287.54 × 1,268.87
  4. Step 4: Simplify right side
    4,191.26x = 7,978,033.10
  5. Step 5: Solve for x
    x = 7,978,033.10/4,191.26
  6. Step 6: Final answer
    x = 1,903.50

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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.