Home / 4,268.75-6,399.76-1,635.75

Finding the Fourth Proportional to 4,268.75, 6,399.76 and 1,635.75

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Solution

The fourth proportional to 4,268.75, 6,399.76 and 1,635.75 is: 2,452.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.75 : 6,399.76 = 1,635.75 : x
  2. Step 2: Convert to fraction form
    4,268.75/6,399.76 = 1,635.75/x
  3. Step 3: Cross multiply
    4,268.75x = 6,399.76 × 1,635.75
  4. Step 4: Simplify right side
    4,268.75x = 10,468,407.42
  5. Step 5: Solve for x
    x = 10,468,407.42/4,268.75
  6. Step 6: Final answer
    x = 2,452.34

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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.