Home / 8,736.39-13,108.23-3,803.49

Finding the Fourth Proportional to 8,736.39, 13,108.23 and 3,803.49

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Solution

The fourth proportional to 8,736.39, 13,108.23 and 3,803.49 is: 5,706.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736.39 : 13,108.23 = 3,803.49 : x
  2. Step 2: Convert to fraction form
    8,736.39/13,108.23 = 3,803.49/x
  3. Step 3: Cross multiply
    8,736.39x = 13,108.23 × 3,803.49
  4. Step 4: Simplify right side
    8,736.39x = 49,857,021.72
  5. Step 5: Solve for x
    x = 49,857,021.72/8,736.39
  6. Step 6: Final answer
    x = 5,706.82

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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.