Home / 7,310.72-10,963.32-2,379.20

Finding the Fourth Proportional to 7,310.72, 10,963.32 and 2,379.20

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Solution

The fourth proportional to 7,310.72, 10,963.32 and 2,379.20 is: 3,567.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.72 : 10,963.32 = 2,379.20 : x
  2. Step 2: Convert to fraction form
    7,310.72/10,963.32 = 2,379.20/x
  3. Step 3: Cross multiply
    7,310.72x = 10,963.32 × 2,379.20
  4. Step 4: Simplify right side
    7,310.72x = 26,083,930.94
  5. Step 5: Solve for x
    x = 26,083,930.94/7,310.72
  6. Step 6: Final answer
    x = 3,567.90

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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.