Home / 8,087.78-12,131.68-2,244.40

Finding the Fourth Proportional to 8,087.78, 12,131.68 and 2,244.40

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Solution

The fourth proportional to 8,087.78, 12,131.68 and 2,244.40 is: 3,366.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.78 : 12,131.68 = 2,244.40 : x
  2. Step 2: Convert to fraction form
    8,087.78/12,131.68 = 2,244.40/x
  3. Step 3: Cross multiply
    8,087.78x = 12,131.68 × 2,244.40
  4. Step 4: Simplify right side
    8,087.78x = 27,228,342.59
  5. Step 5: Solve for x
    x = 27,228,342.59/8,087.78
  6. Step 6: Final answer
    x = 3,366.60

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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.