Home / 8,259.22-12,389.66-2,712.59

Finding the Fourth Proportional to 8,259.22, 12,389.66 and 2,712.59

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Solution

The fourth proportional to 8,259.22, 12,389.66 and 2,712.59 is: 4,069.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.22 : 12,389.66 = 2,712.59 : x
  2. Step 2: Convert to fraction form
    8,259.22/12,389.66 = 2,712.59/x
  3. Step 3: Cross multiply
    8,259.22x = 12,389.66 × 2,712.59
  4. Step 4: Simplify right side
    8,259.22x = 33,608,067.82
  5. Step 5: Solve for x
    x = 33,608,067.82/8,259.22
  6. Step 6: Final answer
    x = 4,069.16

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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.