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Finding the Fourth Proportional to 7,309.71, 10,964.30 and 2,379.22

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Solution

The fourth proportional to 7,309.71, 10,964.30 and 2,379.22 is: 3,568.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,309.71 : 10,964.30 = 2,379.22 : x
  2. Step 2: Convert to fraction form
    7,309.71/10,964.30 = 2,379.22/x
  3. Step 3: Cross multiply
    7,309.71x = 10,964.30 × 2,379.22
  4. Step 4: Simplify right side
    7,309.71x = 26,086,452.40
  5. Step 5: Solve for x
    x = 26,086,452.40/7,309.71
  6. Step 6: Final answer
    x = 3,568.74

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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.