Home / 8,202.10-12,309.12-3,273.16

Finding the Fourth Proportional to 8,202.10, 12,309.12 and 3,273.16

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Solution

The fourth proportional to 8,202.10, 12,309.12 and 3,273.16 is: 4,912.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,202.10 : 12,309.12 = 3,273.16 : x
  2. Step 2: Convert to fraction form
    8,202.10/12,309.12 = 3,273.16/x
  3. Step 3: Cross multiply
    8,202.10x = 12,309.12 × 3,273.16
  4. Step 4: Simplify right side
    8,202.10x = 40,289,719.22
  5. Step 5: Solve for x
    x = 40,289,719.22/8,202.10
  6. Step 6: Final answer
    x = 4,912.12

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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.