Home / 8,805.20-13,213.53-3,812.45

Finding the Fourth Proportional to 8,805.20, 13,213.53 and 3,812.45

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Solution

The fourth proportional to 8,805.20, 13,213.53 and 3,812.45 is: 5,721.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.20 : 13,213.53 = 3,812.45 : x
  2. Step 2: Convert to fraction form
    8,805.20/13,213.53 = 3,812.45/x
  3. Step 3: Cross multiply
    8,805.20x = 13,213.53 × 3,812.45
  4. Step 4: Simplify right side
    8,805.20x = 50,375,902.73
  5. Step 5: Solve for x
    x = 50,375,902.73/8,805.20
  6. Step 6: Final answer
    x = 5,721.15

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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.