Home / 8,508.90-11,736.46-5,145.92

Finding the Fourth Proportional to 8,508.90, 11,736.46 and 5,145.92

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Solution

The fourth proportional to 8,508.90, 11,736.46 and 5,145.92 is: 7,097.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508.90 : 11,736.46 = 5,145.92 : x
  2. Step 2: Convert to fraction form
    8,508.90/11,736.46 = 5,145.92/x
  3. Step 3: Cross multiply
    8,508.90x = 11,736.46 × 5,145.92
  4. Step 4: Simplify right side
    8,508.90x = 60,394,884.24
  5. Step 5: Solve for x
    x = 60,394,884.24/8,508.90
  6. Step 6: Final answer
    x = 7,097.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.