Home / 8,723.82-13,080.47-3,914.38

Finding the Fourth Proportional to 8,723.82, 13,080.47 and 3,914.38

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Solution

The fourth proportional to 8,723.82, 13,080.47 and 3,914.38 is: 5,869.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.82 : 13,080.47 = 3,914.38 : x
  2. Step 2: Convert to fraction form
    8,723.82/13,080.47 = 3,914.38/x
  3. Step 3: Cross multiply
    8,723.82x = 13,080.47 × 3,914.38
  4. Step 4: Simplify right side
    8,723.82x = 51,201,926.94
  5. Step 5: Solve for x
    x = 51,201,926.94/8,723.82
  6. Step 6: Final answer
    x = 5,869.21

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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.