Home / 8,786.32-13,178.84-4,104.96

Finding the Fourth Proportional to 8,786.32, 13,178.84 and 4,104.96

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Solution

The fourth proportional to 8,786.32, 13,178.84 and 4,104.96 is: 6,157.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786.32 : 13,178.84 = 4,104.96 : x
  2. Step 2: Convert to fraction form
    8,786.32/13,178.84 = 4,104.96/x
  3. Step 3: Cross multiply
    8,786.32x = 13,178.84 × 4,104.96
  4. Step 4: Simplify right side
    8,786.32x = 54,098,611.05
  5. Step 5: Solve for x
    x = 54,098,611.05/8,786.32
  6. Step 6: Final answer
    x = 6,157.14

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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.