Home / 8,611.45-11,884.11-5,028.73

Finding the Fourth Proportional to 8,611.45, 11,884.11 and 5,028.73

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Solution

The fourth proportional to 8,611.45, 11,884.11 and 5,028.73 is: 6,939.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,611.45 : 11,884.11 = 5,028.73 : x
  2. Step 2: Convert to fraction form
    8,611.45/11,884.11 = 5,028.73/x
  3. Step 3: Cross multiply
    8,611.45x = 11,884.11 × 5,028.73
  4. Step 4: Simplify right side
    8,611.45x = 59,761,980.48
  5. Step 5: Solve for x
    x = 59,761,980.48/8,611.45
  6. Step 6: Final answer
    x = 6,939.83

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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.