Home / 8,906.20-13,344.66-5,611.12

Finding the Fourth Proportional to 8,906.20, 13,344.66 and 5,611.12

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Solution

The fourth proportional to 8,906.20, 13,344.66 and 5,611.12 is: 8,407.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,906.20 : 13,344.66 = 5,611.12 : x
  2. Step 2: Convert to fraction form
    8,906.20/13,344.66 = 5,611.12/x
  3. Step 3: Cross multiply
    8,906.20x = 13,344.66 × 5,611.12
  4. Step 4: Simplify right side
    8,906.20x = 74,878,488.62
  5. Step 5: Solve for x
    x = 74,878,488.62/8,906.20
  6. Step 6: Final answer
    x = 8,407.46

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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.