Home / 5,459.43-8,186.13-2,535.15

Finding the Fourth Proportional to 5,459.43, 8,186.13 and 2,535.15

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Solution

The fourth proportional to 5,459.43, 8,186.13 and 2,535.15 is: 3,801.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.43 : 8,186.13 = 2,535.15 : x
  2. Step 2: Convert to fraction form
    5,459.43/8,186.13 = 2,535.15/x
  3. Step 3: Cross multiply
    5,459.43x = 8,186.13 × 2,535.15
  4. Step 4: Simplify right side
    5,459.43x = 20,753,067.47
  5. Step 5: Solve for x
    x = 20,753,067.47/5,459.43
  6. Step 6: Final answer
    x = 3,801.32

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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.