Home / 8,259.57-12,387.08-2,712.34

Finding the Fourth Proportional to 8,259.57, 12,387.08 and 2,712.34

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Solution

The fourth proportional to 8,259.57, 12,387.08 and 2,712.34 is: 4,067.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.57 : 12,387.08 = 2,712.34 : x
  2. Step 2: Convert to fraction form
    8,259.57/12,387.08 = 2,712.34/x
  3. Step 3: Cross multiply
    8,259.57x = 12,387.08 × 2,712.34
  4. Step 4: Simplify right side
    8,259.57x = 33,597,909.90
  5. Step 5: Solve for x
    x = 33,597,909.90/8,259.57
  6. Step 6: Final answer
    x = 4,067.76

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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.