Home / 8,101.08-12,154.46-3,721.82

Finding the Fourth Proportional to 8,101.08, 12,154.46 and 3,721.82

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Solution

The fourth proportional to 8,101.08, 12,154.46 and 3,721.82 is: 5,584.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101.08 : 12,154.46 = 3,721.82 : x
  2. Step 2: Convert to fraction form
    8,101.08/12,154.46 = 3,721.82/x
  3. Step 3: Cross multiply
    8,101.08x = 12,154.46 × 3,721.82
  4. Step 4: Simplify right side
    8,101.08x = 45,236,632.94
  5. Step 5: Solve for x
    x = 45,236,632.94/8,101.08
  6. Step 6: Final answer
    x = 5,584.02

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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.