Home / 7,631.97-11,447.96-3,246.63

Finding the Fourth Proportional to 7,631.97, 11,447.96 and 3,246.63

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Solution

The fourth proportional to 7,631.97, 11,447.96 and 3,246.63 is: 4,869.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.97 : 11,447.96 = 3,246.63 : x
  2. Step 2: Convert to fraction form
    7,631.97/11,447.96 = 3,246.63/x
  3. Step 3: Cross multiply
    7,631.97x = 11,447.96 × 3,246.63
  4. Step 4: Simplify right side
    7,631.97x = 37,167,274.14
  5. Step 5: Solve for x
    x = 37,167,274.14/7,631.97
  6. Step 6: Final answer
    x = 4,869.95

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Double scale
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Similar ratio
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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.