Home / 8,080.15-12,119.31-2,236

Finding the Fourth Proportional to 8,080.15, 12,119.31 and 2,236

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Solution

The fourth proportional to 8,080.15, 12,119.31 and 2,236 is: 3,353.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.15 : 12,119.31 = 2,236 : x
  2. Step 2: Convert to fraction form
    8,080.15/12,119.31 = 2,236/x
  3. Step 3: Cross multiply
    8,080.15x = 12,119.31 × 2,236
  4. Step 4: Simplify right side
    8,080.15x = 27,098,777.16
  5. Step 5: Solve for x
    x = 27,098,777.16/8,080.15
  6. Step 6: Final answer
    x = 3,353.75

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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.