Home / 8,106.03-12,163.91-2,912.31

Finding the Fourth Proportional to 8,106.03, 12,163.91 and 2,912.31

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Solution

The fourth proportional to 8,106.03, 12,163.91 and 2,912.31 is: 4,370.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.03 : 12,163.91 = 2,912.31 : x
  2. Step 2: Convert to fraction form
    8,106.03/12,163.91 = 2,912.31/x
  3. Step 3: Cross multiply
    8,106.03x = 12,163.91 × 2,912.31
  4. Step 4: Simplify right side
    8,106.03x = 35,425,062.17
  5. Step 5: Solve for x
    x = 35,425,062.17/8,106.03
  6. Step 6: Final answer
    x = 4,370.21

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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.