Home / 8,128.08-12,194.04-2,934

Finding the Fourth Proportional to 8,128.08, 12,194.04 and 2,934

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Solution

The fourth proportional to 8,128.08, 12,194.04 and 2,934 is: 4,401.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,128.08 : 12,194.04 = 2,934 : x
  2. Step 2: Convert to fraction form
    8,128.08/12,194.04 = 2,934/x
  3. Step 3: Cross multiply
    8,128.08x = 12,194.04 × 2,934
  4. Step 4: Simplify right side
    8,128.08x = 35,777,313.36
  5. Step 5: Solve for x
    x = 35,777,313.36/8,128.08
  6. Step 6: Final answer
    x = 4,401.69

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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.