Home / 4,268.26-6,402.40-1,190.26

Finding the Fourth Proportional to 4,268.26, 6,402.40 and 1,190.26

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Solution

The fourth proportional to 4,268.26, 6,402.40 and 1,190.26 is: 1,785.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.26 : 6,402.40 = 1,190.26 : x
  2. Step 2: Convert to fraction form
    4,268.26/6,402.40 = 1,190.26/x
  3. Step 3: Cross multiply
    4,268.26x = 6,402.40 × 1,190.26
  4. Step 4: Simplify right side
    4,268.26x = 7,620,520.62
  5. Step 5: Solve for x
    x = 7,620,520.62/4,268.26
  6. Step 6: Final answer
    x = 1,785.39

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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.