Home / 6,425.22-9,640.62-2,268.20

Finding the Fourth Proportional to 6,425.22, 9,640.62 and 2,268.20

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Solution

The fourth proportional to 6,425.22, 9,640.62 and 2,268.20 is: 3,403.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,425.22 : 9,640.62 = 2,268.20 : x
  2. Step 2: Convert to fraction form
    6,425.22/9,640.62 = 2,268.20/x
  3. Step 3: Cross multiply
    6,425.22x = 9,640.62 × 2,268.20
  4. Step 4: Simplify right side
    6,425.22x = 21,866,854.28
  5. Step 5: Solve for x
    x = 21,866,854.28/6,425.22
  6. Step 6: Final answer
    x = 3,403.28

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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.