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Finding the Fourth Proportional to 7,309.11, 10,963.64 and 2,629.11

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Solution

The fourth proportional to 7,309.11, 10,963.64 and 2,629.11 is: 3,943.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,309.11 : 10,963.64 = 2,629.11 : x
  2. Step 2: Convert to fraction form
    7,309.11/10,963.64 = 2,629.11/x
  3. Step 3: Cross multiply
    7,309.11x = 10,963.64 × 2,629.11
  4. Step 4: Simplify right side
    7,309.11x = 28,824,608.99
  5. Step 5: Solve for x
    x = 28,824,608.99/7,309.11
  6. Step 6: Final answer
    x = 3,943.66

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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.