Home / 4,179.30-5,761.62-3,156.54

Finding the Fourth Proportional to 4,179.30, 5,761.62 and 3,156.54

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Solution

The fourth proportional to 4,179.30, 5,761.62 and 3,156.54 is: 4,351.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.30 : 5,761.62 = 3,156.54 : x
  2. Step 2: Convert to fraction form
    4,179.30/5,761.62 = 3,156.54/x
  3. Step 3: Cross multiply
    4,179.30x = 5,761.62 × 3,156.54
  4. Step 4: Simplify right side
    4,179.30x = 18,186,783.99
  5. Step 5: Solve for x
    x = 18,186,783.99/4,179.30
  6. Step 6: Final answer
    x = 4,351.63

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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.