Home / 7,753.94-11,629.12-2,207.15

Finding the Fourth Proportional to 7,753.94, 11,629.12 and 2,207.15

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Solution

The fourth proportional to 7,753.94, 11,629.12 and 2,207.15 is: 3,310.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,753.94 : 11,629.12 = 2,207.15 : x
  2. Step 2: Convert to fraction form
    7,753.94/11,629.12 = 2,207.15/x
  3. Step 3: Cross multiply
    7,753.94x = 11,629.12 × 2,207.15
  4. Step 4: Simplify right side
    7,753.94x = 25,667,212.21
  5. Step 5: Solve for x
    x = 25,667,212.21/7,753.94
  6. Step 6: Final answer
    x = 3,310.22

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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.