Home / 8,234.36-12,353.06-2,611.79

Finding the Fourth Proportional to 8,234.36, 12,353.06 and 2,611.79

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Solution

The fourth proportional to 8,234.36, 12,353.06 and 2,611.79 is: 3,918.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234.36 : 12,353.06 = 2,611.79 : x
  2. Step 2: Convert to fraction form
    8,234.36/12,353.06 = 2,611.79/x
  3. Step 3: Cross multiply
    8,234.36x = 12,353.06 × 2,611.79
  4. Step 4: Simplify right side
    8,234.36x = 32,263,523.75
  5. Step 5: Solve for x
    x = 32,263,523.75/8,234.36
  6. Step 6: Final answer
    x = 3,918.16

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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.