Home / 7,310.98-10,963.92-2,379.70

Finding the Fourth Proportional to 7,310.98, 10,963.92 and 2,379.70

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Solution

The fourth proportional to 7,310.98, 10,963.92 and 2,379.70 is: 3,568.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.98 : 10,963.92 = 2,379.70 : x
  2. Step 2: Convert to fraction form
    7,310.98/10,963.92 = 2,379.70/x
  3. Step 3: Cross multiply
    7,310.98x = 10,963.92 × 2,379.70
  4. Step 4: Simplify right side
    7,310.98x = 26,090,840.42
  5. Step 5: Solve for x
    x = 26,090,840.42/7,310.98
  6. Step 6: Final answer
    x = 3,568.72

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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.