Home / 4,143.25-6,197.79-2,660.19

Finding the Fourth Proportional to 4,143.25, 6,197.79 and 2,660.19

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Solution

The fourth proportional to 4,143.25, 6,197.79 and 2,660.19 is: 3,979.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.25 : 6,197.79 = 2,660.19 : x
  2. Step 2: Convert to fraction form
    4,143.25/6,197.79 = 2,660.19/x
  3. Step 3: Cross multiply
    4,143.25x = 6,197.79 × 2,660.19
  4. Step 4: Simplify right side
    4,143.25x = 16,487,313.09
  5. Step 5: Solve for x
    x = 16,487,313.09/4,143.25
  6. Step 6: Final answer
    x = 3,979.32

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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.