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Finding the Fourth Proportional to 3,893.99, 5,827.01 and 3,633.30

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Solution

The fourth proportional to 3,893.99, 5,827.01 and 3,633.30 is: 5,436.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.99 : 5,827.01 = 3,633.30 : x
  2. Step 2: Convert to fraction form
    3,893.99/5,827.01 = 3,633.30/x
  3. Step 3: Cross multiply
    3,893.99x = 5,827.01 × 3,633.30
  4. Step 4: Simplify right side
    3,893.99x = 21,171,257.27
  5. Step 5: Solve for x
    x = 21,171,257.27/3,893.99
  6. Step 6: Final answer
    x = 5,436.91

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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.