Home / 4,179.47-5,755.52-3,912.36

Finding the Fourth Proportional to 4,179.47, 5,755.52 and 3,912.36

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Solution

The fourth proportional to 4,179.47, 5,755.52 and 3,912.36 is: 5,387.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.47 : 5,755.52 = 3,912.36 : x
  2. Step 2: Convert to fraction form
    4,179.47/5,755.52 = 3,912.36/x
  3. Step 3: Cross multiply
    4,179.47x = 5,755.52 × 3,912.36
  4. Step 4: Simplify right side
    4,179.47x = 22,517,625.08
  5. Step 5: Solve for x
    x = 22,517,625.08/4,179.47
  6. Step 6: Final answer
    x = 5,387.67

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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.