Home / 8,131.32-12,196.99-2,287.93

Finding the Fourth Proportional to 8,131.32, 12,196.99 and 2,287.93

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Solution

The fourth proportional to 8,131.32, 12,196.99 and 2,287.93 is: 3,431.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.32 : 12,196.99 = 2,287.93 : x
  2. Step 2: Convert to fraction form
    8,131.32/12,196.99 = 2,287.93/x
  3. Step 3: Cross multiply
    8,131.32x = 12,196.99 × 2,287.93
  4. Step 4: Simplify right side
    8,131.32x = 27,905,909.24
  5. Step 5: Solve for x
    x = 27,905,909.24/8,131.32
  6. Step 6: Final answer
    x = 3,431.90

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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.