Home / 8,043.63-12,069.57-3,831.65

Finding the Fourth Proportional to 8,043.63, 12,069.57 and 3,831.65

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Solution

The fourth proportional to 8,043.63, 12,069.57 and 3,831.65 is: 5,749.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,043.63 : 12,069.57 = 3,831.65 : x
  2. Step 2: Convert to fraction form
    8,043.63/12,069.57 = 3,831.65/x
  3. Step 3: Cross multiply
    8,043.63x = 12,069.57 × 3,831.65
  4. Step 4: Simplify right side
    8,043.63x = 46,246,367.89
  5. Step 5: Solve for x
    x = 46,246,367.89/8,043.63
  6. Step 6: Final answer
    x = 5,749.44

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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.