Home / 8,003.26-12,004.89-2,159.86

Finding the Fourth Proportional to 8,003.26, 12,004.89 and 2,159.86

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Solution

The fourth proportional to 8,003.26, 12,004.89 and 2,159.86 is: 3,239.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,003.26 : 12,004.89 = 2,159.86 : x
  2. Step 2: Convert to fraction form
    8,003.26/12,004.89 = 2,159.86/x
  3. Step 3: Cross multiply
    8,003.26x = 12,004.89 × 2,159.86
  4. Step 4: Simplify right side
    8,003.26x = 25,928,919.83
  5. Step 5: Solve for x
    x = 25,928,919.83/8,003.26
  6. Step 6: Final answer
    x = 3,239.79

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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.