Home / 7,084.26-10,629.09-3,187.76

Finding the Fourth Proportional to 7,084.26, 10,629.09 and 3,187.76

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Solution

The fourth proportional to 7,084.26, 10,629.09 and 3,187.76 is: 4,782.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,084.26 : 10,629.09 = 3,187.76 : x
  2. Step 2: Convert to fraction form
    7,084.26/10,629.09 = 3,187.76/x
  3. Step 3: Cross multiply
    7,084.26x = 10,629.09 × 3,187.76
  4. Step 4: Simplify right side
    7,084.26x = 33,882,934.79
  5. Step 5: Solve for x
    x = 33,882,934.79/7,084.26
  6. Step 6: Final answer
    x = 4,782.85

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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.