Home / 4,142.34-5,713.74-2,745.09

Finding the Fourth Proportional to 4,142.34, 5,713.74 and 2,745.09

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Solution

The fourth proportional to 4,142.34, 5,713.74 and 2,745.09 is: 3,786.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.34 : 5,713.74 = 2,745.09 : x
  2. Step 2: Convert to fraction form
    4,142.34/5,713.74 = 2,745.09/x
  3. Step 3: Cross multiply
    4,142.34x = 5,713.74 × 2,745.09
  4. Step 4: Simplify right side
    4,142.34x = 15,684,730.54
  5. Step 5: Solve for x
    x = 15,684,730.54/4,142.34
  6. Step 6: Final answer
    x = 3,786.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.