Home / 7,310.44-10,965.25-3,147.85

Finding the Fourth Proportional to 7,310.44, 10,965.25 and 3,147.85

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Solution

The fourth proportional to 7,310.44, 10,965.25 and 3,147.85 is: 4,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.44 : 10,965.25 = 3,147.85 : x
  2. Step 2: Convert to fraction form
    7,310.44/10,965.25 = 3,147.85/x
  3. Step 3: Cross multiply
    7,310.44x = 10,965.25 × 3,147.85
  4. Step 4: Simplify right side
    7,310.44x = 34,516,962.21
  5. Step 5: Solve for x
    x = 34,516,962.21/7,310.44
  6. Step 6: Final answer
    x = 4,721.60

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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.