Home / 7,725.49-11,588.24-3,105.25

Finding the Fourth Proportional to 7,725.49, 11,588.24 and 3,105.25

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Solution

The fourth proportional to 7,725.49, 11,588.24 and 3,105.25 is: 4,657.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,725.49 : 11,588.24 = 3,105.25 : x
  2. Step 2: Convert to fraction form
    7,725.49/11,588.24 = 3,105.25/x
  3. Step 3: Cross multiply
    7,725.49x = 11,588.24 × 3,105.25
  4. Step 4: Simplify right side
    7,725.49x = 35,984,366.73
  5. Step 5: Solve for x
    x = 35,984,366.73/7,725.49
  6. Step 6: Final answer
    x = 4,657.88

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Half scale
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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.