Home / 8,206.44-12,289.62-3,825.18

Finding the Fourth Proportional to 8,206.44, 12,289.62 and 3,825.18

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Solution

The fourth proportional to 8,206.44, 12,289.62 and 3,825.18 is: 5,728.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,206.44 : 12,289.62 = 3,825.18 : x
  2. Step 2: Convert to fraction form
    8,206.44/12,289.62 = 3,825.18/x
  3. Step 3: Cross multiply
    8,206.44x = 12,289.62 × 3,825.18
  4. Step 4: Simplify right side
    8,206.44x = 47,010,008.63
  5. Step 5: Solve for x
    x = 47,010,008.63/8,206.44
  6. Step 6: Final answer
    x = 5,728.43

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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.