Home / 8,161.44-12,238.32-2,966.64

Finding the Fourth Proportional to 8,161.44, 12,238.32 and 2,966.64

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Solution

The fourth proportional to 8,161.44, 12,238.32 and 2,966.64 is: 4,448.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.44 : 12,238.32 = 2,966.64 : x
  2. Step 2: Convert to fraction form
    8,161.44/12,238.32 = 2,966.64/x
  3. Step 3: Cross multiply
    8,161.44x = 12,238.32 × 2,966.64
  4. Step 4: Simplify right side
    8,161.44x = 36,306,689.64
  5. Step 5: Solve for x
    x = 36,306,689.64/8,161.44
  6. Step 6: Final answer
    x = 4,448.56

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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.