Home / 7,725.94-11,588.16-2,179.20

Finding the Fourth Proportional to 7,725.94, 11,588.16 and 2,179.20

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Solution

The fourth proportional to 7,725.94, 11,588.16 and 2,179.20 is: 3,268.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,725.94 : 11,588.16 = 2,179.20 : x
  2. Step 2: Convert to fraction form
    7,725.94/11,588.16 = 2,179.20/x
  3. Step 3: Cross multiply
    7,725.94x = 11,588.16 × 2,179.20
  4. Step 4: Simplify right side
    7,725.94x = 25,252,918.27
  5. Step 5: Solve for x
    x = 25,252,918.27/7,725.94
  6. Step 6: Final answer
    x = 3,268.59

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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.