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Finding the Fourth Proportional to 8,788.93, 13,183.42 and 3,239.87

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Solution

The fourth proportional to 8,788.93, 13,183.42 and 3,239.87 is: 4,859.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.93 : 13,183.42 = 3,239.87 : x
  2. Step 2: Convert to fraction form
    8,788.93/13,183.42 = 3,239.87/x
  3. Step 3: Cross multiply
    8,788.93x = 13,183.42 × 3,239.87
  4. Step 4: Simplify right side
    8,788.93x = 42,712,566.96
  5. Step 5: Solve for x
    x = 42,712,566.96/8,788.93
  6. Step 6: Final answer
    x = 4,859.81

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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.