Home / 5,706.20-7,874.54-3,222.20

Finding the Fourth Proportional to 5,706.20, 7,874.54 and 3,222.20

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Solution

The fourth proportional to 5,706.20, 7,874.54 and 3,222.20 is: 4,446.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,706.20 : 7,874.54 = 3,222.20 : x
  2. Step 2: Convert to fraction form
    5,706.20/7,874.54 = 3,222.20/x
  3. Step 3: Cross multiply
    5,706.20x = 7,874.54 × 3,222.20
  4. Step 4: Simplify right side
    5,706.20x = 25,373,287.30
  5. Step 5: Solve for x
    x = 25,373,287.30/5,706.20
  6. Step 6: Final answer
    x = 4,446.62

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Double scale
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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.