Home / 8,028.92-12,043.49-2,831.15

Finding the Fourth Proportional to 8,028.92, 12,043.49 and 2,831.15

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Solution

The fourth proportional to 8,028.92, 12,043.49 and 2,831.15 is: 4,246.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,028.92 : 12,043.49 = 2,831.15 : x
  2. Step 2: Convert to fraction form
    8,028.92/12,043.49 = 2,831.15/x
  3. Step 3: Cross multiply
    8,028.92x = 12,043.49 × 2,831.15
  4. Step 4: Simplify right side
    8,028.92x = 34,096,942.67
  5. Step 5: Solve for x
    x = 34,096,942.67/8,028.92
  6. Step 6: Final answer
    x = 4,246.76

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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.