Home / 5,268.88-7,903.32-2,191.12

Finding the Fourth Proportional to 5,268.88, 7,903.32 and 2,191.12

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Solution

The fourth proportional to 5,268.88, 7,903.32 and 2,191.12 is: 3,286.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.88 : 7,903.32 = 2,191.12 : x
  2. Step 2: Convert to fraction form
    5,268.88/7,903.32 = 2,191.12/x
  3. Step 3: Cross multiply
    5,268.88x = 7,903.32 × 2,191.12
  4. Step 4: Simplify right side
    5,268.88x = 17,317,122.52
  5. Step 5: Solve for x
    x = 17,317,122.52/5,268.88
  6. Step 6: Final answer
    x = 3,286.68

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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.