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Finding the Fourth Proportional to 5,813.73, 8,716.95 and 1,917.09

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Solution

The fourth proportional to 5,813.73, 8,716.95 and 1,917.09 is: 2,874.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.73 : 8,716.95 = 1,917.09 : x
  2. Step 2: Convert to fraction form
    5,813.73/8,716.95 = 1,917.09/x
  3. Step 3: Cross multiply
    5,813.73x = 8,716.95 × 1,917.09
  4. Step 4: Simplify right side
    5,813.73x = 16,711,177.68
  5. Step 5: Solve for x
    x = 16,711,177.68/5,813.73
  6. Step 6: Final answer
    x = 2,874.43

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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.