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Finding the Fourth Proportional to 5,855.43, 8,773.89 and 2,152.54

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Solution

The fourth proportional to 5,855.43, 8,773.89 and 2,152.54 is: 3,225.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.43 : 8,773.89 = 2,152.54 : x
  2. Step 2: Convert to fraction form
    5,855.43/8,773.89 = 2,152.54/x
  3. Step 3: Cross multiply
    5,855.43x = 8,773.89 × 2,152.54
  4. Step 4: Simplify right side
    5,855.43x = 18,886,149.18
  5. Step 5: Solve for x
    x = 18,886,149.18/5,855.43
  6. Step 6: Final answer
    x = 3,225.41

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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.