Home / 5,049.20-6,970.41-3,912.32

Finding the Fourth Proportional to 5,049.20, 6,970.41 and 3,912.32

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Solution

The fourth proportional to 5,049.20, 6,970.41 and 3,912.32 is: 5,400.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,049.20 : 6,970.41 = 3,912.32 : x
  2. Step 2: Convert to fraction form
    5,049.20/6,970.41 = 3,912.32/x
  3. Step 3: Cross multiply
    5,049.20x = 6,970.41 × 3,912.32
  4. Step 4: Simplify right side
    5,049.20x = 27,270,474.45
  5. Step 5: Solve for x
    x = 27,270,474.45/5,049.20
  6. Step 6: Final answer
    x = 5,400.95

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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.