Home / 8,725.11-13,087.97-3,461.12

Finding the Fourth Proportional to 8,725.11, 13,087.97 and 3,461.12

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Solution

The fourth proportional to 8,725.11, 13,087.97 and 3,461.12 is: 5,191.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.11 : 13,087.97 = 3,461.12 : x
  2. Step 2: Convert to fraction form
    8,725.11/13,087.97 = 3,461.12/x
  3. Step 3: Cross multiply
    8,725.11x = 13,087.97 × 3,461.12
  4. Step 4: Simplify right side
    8,725.11x = 45,298,951.98
  5. Step 5: Solve for x
    x = 45,298,951.98/8,725.11
  6. Step 6: Final answer
    x = 5,191.79

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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.