Home / 8,259.48-12,390.51-2,711.56

Finding the Fourth Proportional to 8,259.48, 12,390.51 and 2,711.56

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Solution

The fourth proportional to 8,259.48, 12,390.51 and 2,711.56 is: 4,067.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.48 : 12,390.51 = 2,711.56 : x
  2. Step 2: Convert to fraction form
    8,259.48/12,390.51 = 2,711.56/x
  3. Step 3: Cross multiply
    8,259.48x = 12,390.51 × 2,711.56
  4. Step 4: Simplify right side
    8,259.48x = 33,597,611.30
  5. Step 5: Solve for x
    x = 33,597,611.30/8,259.48
  6. Step 6: Final answer
    x = 4,067.76

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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.