Home / 5,107.11-7,660.26-2,185.44

Finding the Fourth Proportional to 5,107.11, 7,660.26 and 2,185.44

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Solution

The fourth proportional to 5,107.11, 7,660.26 and 2,185.44 is: 3,277.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107.11 : 7,660.26 = 2,185.44 : x
  2. Step 2: Convert to fraction form
    5,107.11/7,660.26 = 2,185.44/x
  3. Step 3: Cross multiply
    5,107.11x = 7,660.26 × 2,185.44
  4. Step 4: Simplify right side
    5,107.11x = 16,741,038.61
  5. Step 5: Solve for x
    x = 16,741,038.61/5,107.11
  6. Step 6: Final answer
    x = 3,277.99

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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.