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Finding the Fourth Proportional to 8,783.87, 13,168.36 and 3,849.77

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Solution

The fourth proportional to 8,783.87, 13,168.36 and 3,849.77 is: 5,771.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783.87 : 13,168.36 = 3,849.77 : x
  2. Step 2: Convert to fraction form
    8,783.87/13,168.36 = 3,849.77/x
  3. Step 3: Cross multiply
    8,783.87x = 13,168.36 × 3,849.77
  4. Step 4: Simplify right side
    8,783.87x = 50,695,081.81
  5. Step 5: Solve for x
    x = 50,695,081.81/8,783.87
  6. Step 6: Final answer
    x = 5,771.39

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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.