Home / 7,629.20-11,436.97-3,244.27

Finding the Fourth Proportional to 7,629.20, 11,436.97 and 3,244.27

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Solution

The fourth proportional to 7,629.20, 11,436.97 and 3,244.27 is: 4,863.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.20 : 11,436.97 = 3,244.27 : x
  2. Step 2: Convert to fraction form
    7,629.20/11,436.97 = 3,244.27/x
  3. Step 3: Cross multiply
    7,629.20x = 11,436.97 × 3,244.27
  4. Step 4: Simplify right side
    7,629.20x = 37,104,618.61
  5. Step 5: Solve for x
    x = 37,104,618.61/7,629.20
  6. Step 6: Final answer
    x = 4,863.50

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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.