Home / 5,300.11-7,952.25-2,181.61

Finding the Fourth Proportional to 5,300.11, 7,952.25 and 2,181.61

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Solution

The fourth proportional to 5,300.11, 7,952.25 and 2,181.61 is: 3,273.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,300.11 : 7,952.25 = 2,181.61 : x
  2. Step 2: Convert to fraction form
    5,300.11/7,952.25 = 2,181.61/x
  3. Step 3: Cross multiply
    5,300.11x = 7,952.25 × 2,181.61
  4. Step 4: Simplify right side
    5,300.11x = 17,348,708.12
  5. Step 5: Solve for x
    x = 17,348,708.12/5,300.11
  6. Step 6: Final answer
    x = 3,273.27

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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.