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Finding the Fourth Proportional to 8,930.45, 13,395.68 and 3,739.97

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Solution

The fourth proportional to 8,930.45, 13,395.68 and 3,739.97 is: 5,609.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.45 : 13,395.68 = 3,739.97 : x
  2. Step 2: Convert to fraction form
    8,930.45/13,395.68 = 3,739.97/x
  3. Step 3: Cross multiply
    8,930.45x = 13,395.68 × 3,739.97
  4. Step 4: Simplify right side
    8,930.45x = 50,099,470.14
  5. Step 5: Solve for x
    x = 50,099,470.14/8,930.45
  6. Step 6: Final answer
    x = 5,609.96

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1.5x scale

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.