Home / 8,179.15-12,272.36-2,983.81

Finding the Fourth Proportional to 8,179.15, 12,272.36 and 2,983.81

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Solution

The fourth proportional to 8,179.15, 12,272.36 and 2,983.81 is: 4,477.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.15 : 12,272.36 = 2,983.81 : x
  2. Step 2: Convert to fraction form
    8,179.15/12,272.36 = 2,983.81/x
  3. Step 3: Cross multiply
    8,179.15x = 12,272.36 × 2,983.81
  4. Step 4: Simplify right side
    8,179.15x = 36,618,367.27
  5. Step 5: Solve for x
    x = 36,618,367.27/8,179.15
  6. Step 6: Final answer
    x = 4,477.04

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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.