Home / 4,145.63-5,725.82-2,745.95

Finding the Fourth Proportional to 4,145.63, 5,725.82 and 2,745.95

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Solution

The fourth proportional to 4,145.63, 5,725.82 and 2,745.95 is: 3,792.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.63 : 5,725.82 = 2,745.95 : x
  2. Step 2: Convert to fraction form
    4,145.63/5,725.82 = 2,745.95/x
  3. Step 3: Cross multiply
    4,145.63x = 5,725.82 × 2,745.95
  4. Step 4: Simplify right side
    4,145.63x = 15,722,793.66
  5. Step 5: Solve for x
    x = 15,722,793.66/4,145.63
  6. Step 6: Final answer
    x = 3,792.62

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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.