Home / 8,416.82-12,611.26-5,119.94

Finding the Fourth Proportional to 8,416.82, 12,611.26 and 5,119.94

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Solution

The fourth proportional to 8,416.82, 12,611.26 and 5,119.94 is: 7,671.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,416.82 : 12,611.26 = 5,119.94 : x
  2. Step 2: Convert to fraction form
    8,416.82/12,611.26 = 5,119.94/x
  3. Step 3: Cross multiply
    8,416.82x = 12,611.26 × 5,119.94
  4. Step 4: Simplify right side
    8,416.82x = 64,568,894.52
  5. Step 5: Solve for x
    x = 64,568,894.52/8,416.82
  6. Step 6: Final answer
    x = 7,671.41

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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.