Home / 5,611.26-8,412.78-2,691.63

Finding the Fourth Proportional to 5,611.26, 8,412.78 and 2,691.63

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Solution

The fourth proportional to 5,611.26, 8,412.78 and 2,691.63 is: 4,035.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.26 : 8,412.78 = 2,691.63 : x
  2. Step 2: Convert to fraction form
    5,611.26/8,412.78 = 2,691.63/x
  3. Step 3: Cross multiply
    5,611.26x = 8,412.78 × 2,691.63
  4. Step 4: Simplify right side
    5,611.26x = 22,644,091.03
  5. Step 5: Solve for x
    x = 22,644,091.03/5,611.26
  6. Step 6: Final answer
    x = 4,035.47

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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.