Home / 8,134.23-12,205.44-3,207.40

Finding the Fourth Proportional to 8,134.23, 12,205.44 and 3,207.40

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Solution

The fourth proportional to 8,134.23, 12,205.44 and 3,207.40 is: 4,812.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134.23 : 12,205.44 = 3,207.40 : x
  2. Step 2: Convert to fraction form
    8,134.23/12,205.44 = 3,207.40/x
  3. Step 3: Cross multiply
    8,134.23x = 12,205.44 × 3,207.40
  4. Step 4: Simplify right side
    8,134.23x = 39,147,728.26
  5. Step 5: Solve for x
    x = 39,147,728.26/8,134.23
  6. Step 6: Final answer
    x = 4,812.71

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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.