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Finding the Fourth Proportional to 8,788.94, 13,183.42 and 3,239.88

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Solution

The fourth proportional to 8,788.94, 13,183.42 and 3,239.88 is: 4,859.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.94 : 13,183.42 = 3,239.88 : x
  2. Step 2: Convert to fraction form
    8,788.94/13,183.42 = 3,239.88/x
  3. Step 3: Cross multiply
    8,788.94x = 13,183.42 × 3,239.88
  4. Step 4: Simplify right side
    8,788.94x = 42,712,698.79
  5. Step 5: Solve for x
    x = 42,712,698.79/8,788.94
  6. Step 6: Final answer
    x = 4,859.82

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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.