Home / 8,104.67-12,152.14-3,168.43

Finding the Fourth Proportional to 8,104.67, 12,152.14 and 3,168.43

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Solution

The fourth proportional to 8,104.67, 12,152.14 and 3,168.43 is: 4,750.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.67 : 12,152.14 = 3,168.43 : x
  2. Step 2: Convert to fraction form
    8,104.67/12,152.14 = 3,168.43/x
  3. Step 3: Cross multiply
    8,104.67x = 12,152.14 × 3,168.43
  4. Step 4: Simplify right side
    8,104.67x = 38,503,166.64
  5. Step 5: Solve for x
    x = 38,503,166.64/8,104.67
  6. Step 6: Final answer
    x = 4,750.74

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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.