Home / 5,143.48-7,697.66-3,268.42

Finding the Fourth Proportional to 5,143.48, 7,697.66 and 3,268.42

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Solution

The fourth proportional to 5,143.48, 7,697.66 and 3,268.42 is: 4,891.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143.48 : 7,697.66 = 3,268.42 : x
  2. Step 2: Convert to fraction form
    5,143.48/7,697.66 = 3,268.42/x
  3. Step 3: Cross multiply
    5,143.48x = 7,697.66 × 3,268.42
  4. Step 4: Simplify right side
    5,143.48x = 25,159,185.90
  5. Step 5: Solve for x
    x = 25,159,185.90/5,143.48
  6. Step 6: Final answer
    x = 4,891.47

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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.