Home / 8,789.62-13,184.09-3,240.57

Finding the Fourth Proportional to 8,789.62, 13,184.09 and 3,240.57

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Solution

The fourth proportional to 8,789.62, 13,184.09 and 3,240.57 is: 4,860.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.62 : 13,184.09 = 3,240.57 : x
  2. Step 2: Convert to fraction form
    8,789.62/13,184.09 = 3,240.57/x
  3. Step 3: Cross multiply
    8,789.62x = 13,184.09 × 3,240.57
  4. Step 4: Simplify right side
    8,789.62x = 42,723,941.67
  5. Step 5: Solve for x
    x = 42,723,941.67/8,789.62
  6. Step 6: Final answer
    x = 4,860.73

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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.