Home / 7,321.94-10,104.24-3,964.70

Finding the Fourth Proportional to 7,321.94, 10,104.24 and 3,964.70

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Solution

The fourth proportional to 7,321.94, 10,104.24 and 3,964.70 is: 5,471.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.94 : 10,104.24 = 3,964.70 : x
  2. Step 2: Convert to fraction form
    7,321.94/10,104.24 = 3,964.70/x
  3. Step 3: Cross multiply
    7,321.94x = 10,104.24 × 3,964.70
  4. Step 4: Simplify right side
    7,321.94x = 40,060,280.33
  5. Step 5: Solve for x
    x = 40,060,280.33/7,321.94
  6. Step 6: Final answer
    x = 5,471.27

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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.