Home / 3,972.56-5,960.16-3,479.54

Finding the Fourth Proportional to 3,972.56, 5,960.16 and 3,479.54

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Solution

The fourth proportional to 3,972.56, 5,960.16 and 3,479.54 is: 5,220.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.56 : 5,960.16 = 3,479.54 : x
  2. Step 2: Convert to fraction form
    3,972.56/5,960.16 = 3,479.54/x
  3. Step 3: Cross multiply
    3,972.56x = 5,960.16 × 3,479.54
  4. Step 4: Simplify right side
    3,972.56x = 20,738,585.33
  5. Step 5: Solve for x
    x = 20,738,585.33/3,972.56
  6. Step 6: Final answer
    x = 5,220.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.