Home / 4,072.55-5,618.30-2,745.77

Finding the Fourth Proportional to 4,072.55, 5,618.30 and 2,745.77

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Solution

The fourth proportional to 4,072.55, 5,618.30 and 2,745.77 is: 3,787.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.55 : 5,618.30 = 2,745.77 : x
  2. Step 2: Convert to fraction form
    4,072.55/5,618.30 = 2,745.77/x
  3. Step 3: Cross multiply
    4,072.55x = 5,618.30 × 2,745.77
  4. Step 4: Simplify right side
    4,072.55x = 15,426,517.77
  5. Step 5: Solve for x
    x = 15,426,517.77/4,072.55
  6. Step 6: Final answer
    x = 3,787.93

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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.