Home / 6,916.62-10,375.00-1,986.25

Finding the Fourth Proportional to 6,916.62, 10,375.00 and 1,986.25

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Solution

The fourth proportional to 6,916.62, 10,375.00 and 1,986.25 is: 2,979.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.62 : 10,375.00 = 1,986.25 : x
  2. Step 2: Convert to fraction form
    6,916.62/10,375.00 = 1,986.25/x
  3. Step 3: Cross multiply
    6,916.62x = 10,375.00 × 1,986.25
  4. Step 4: Simplify right side
    6,916.62x = 20,607,286.91
  5. Step 5: Solve for x
    x = 20,607,286.91/6,916.62
  6. Step 6: Final answer
    x = 2,979.39

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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.