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Finding the Fourth Proportional to 5,336.38, 8,005.17 and 2,739.92

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Solution

The fourth proportional to 5,336.38, 8,005.17 and 2,739.92 is: 4,110.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,336.38 : 8,005.17 = 2,739.92 : x
  2. Step 2: Convert to fraction form
    5,336.38/8,005.17 = 2,739.92/x
  3. Step 3: Cross multiply
    5,336.38x = 8,005.17 × 2,739.92
  4. Step 4: Simplify right side
    5,336.38x = 21,933,525.39
  5. Step 5: Solve for x
    x = 21,933,525.39/5,336.38
  6. Step 6: Final answer
    x = 4,110.19

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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.