Home / 8,872.26-12,241.44-5,516.70

Finding the Fourth Proportional to 8,872.26, 12,241.44 and 5,516.70

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Solution

The fourth proportional to 8,872.26, 12,241.44 and 5,516.70 is: 7,611.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.26 : 12,241.44 = 5,516.70 : x
  2. Step 2: Convert to fraction form
    8,872.26/12,241.44 = 5,516.70/x
  3. Step 3: Cross multiply
    8,872.26x = 12,241.44 × 5,516.70
  4. Step 4: Simplify right side
    8,872.26x = 67,532,352.05
  5. Step 5: Solve for x
    x = 67,532,352.05/8,872.26
  6. Step 6: Final answer
    x = 7,611.63

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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.