Home / 3,966.20-5,943.04-3,222.18

Finding the Fourth Proportional to 3,966.20, 5,943.04 and 3,222.18

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Solution

The fourth proportional to 3,966.20, 5,943.04 and 3,222.18 is: 4,828.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.20 : 5,943.04 = 3,222.18 : x
  2. Step 2: Convert to fraction form
    3,966.20/5,943.04 = 3,222.18/x
  3. Step 3: Cross multiply
    3,966.20x = 5,943.04 × 3,222.18
  4. Step 4: Simplify right side
    3,966.20x = 19,149,544.63
  5. Step 5: Solve for x
    x = 19,149,544.63/3,966.20
  6. Step 6: Final answer
    x = 4,828.18

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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.