Home / 8,725.73-13,092.09-3,179.46

Finding the Fourth Proportional to 8,725.73, 13,092.09 and 3,179.46

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Solution

The fourth proportional to 8,725.73, 13,092.09 and 3,179.46 is: 4,770.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.73 : 13,092.09 = 3,179.46 : x
  2. Step 2: Convert to fraction form
    8,725.73/13,092.09 = 3,179.46/x
  3. Step 3: Cross multiply
    8,725.73x = 13,092.09 × 3,179.46
  4. Step 4: Simplify right side
    8,725.73x = 41,625,776.47
  5. Step 5: Solve for x
    x = 41,625,776.47/8,725.73
  6. Step 6: Final answer
    x = 4,770.47

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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.