Home / 9,142.43-13,716.08-3,877.65

Finding the Fourth Proportional to 9,142.43, 13,716.08 and 3,877.65

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Solution

The fourth proportional to 9,142.43, 13,716.08 and 3,877.65 is: 5,817.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142.43 : 13,716.08 = 3,877.65 : x
  2. Step 2: Convert to fraction form
    9,142.43/13,716.08 = 3,877.65/x
  3. Step 3: Cross multiply
    9,142.43x = 13,716.08 × 3,877.65
  4. Step 4: Simplify right side
    9,142.43x = 53,186,198.26
  5. Step 5: Solve for x
    x = 53,186,198.26/9,142.43
  6. Step 6: Final answer
    x = 5,817.51

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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.