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Finding the Fourth Proportional to 5,664.92, 8,500.73 and 2,157.89

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Solution

The fourth proportional to 5,664.92, 8,500.73 and 2,157.89 is: 3,238.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,664.92 : 8,500.73 = 2,157.89 : x
  2. Step 2: Convert to fraction form
    5,664.92/8,500.73 = 2,157.89/x
  3. Step 3: Cross multiply
    5,664.92x = 8,500.73 × 2,157.89
  4. Step 4: Simplify right side
    5,664.92x = 18,343,586.97
  5. Step 5: Solve for x
    x = 18,343,586.97/5,664.92
  6. Step 6: Final answer
    x = 3,238.10

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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.