Home / 8,131.03-12,196.89-2,797.88

Finding the Fourth Proportional to 8,131.03, 12,196.89 and 2,797.88

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Solution

The fourth proportional to 8,131.03, 12,196.89 and 2,797.88 is: 4,196.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.03 : 12,196.89 = 2,797.88 : x
  2. Step 2: Convert to fraction form
    8,131.03/12,196.89 = 2,797.88/x
  3. Step 3: Cross multiply
    8,131.03x = 12,196.89 × 2,797.88
  4. Step 4: Simplify right side
    8,131.03x = 34,125,434.59
  5. Step 5: Solve for x
    x = 34,125,434.59/8,131.03
  6. Step 6: Final answer
    x = 4,196.94

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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.