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Finding the Fourth Proportional to 7,309.49, 10,964.37 and 2,379.11

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Solution

The fourth proportional to 7,309.49, 10,964.37 and 2,379.11 is: 3,568.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,309.49 : 10,964.37 = 2,379.11 : x
  2. Step 2: Convert to fraction form
    7,309.49/10,964.37 = 2,379.11/x
  3. Step 3: Cross multiply
    7,309.49x = 10,964.37 × 2,379.11
  4. Step 4: Simplify right side
    7,309.49x = 26,085,442.31
  5. Step 5: Solve for x
    x = 26,085,442.31/7,309.49
  6. Step 6: Final answer
    x = 3,568.71

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1.5x scale

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.