Home / 8,122.26-12,158.66-5,202.60

Finding the Fourth Proportional to 8,122.26, 12,158.66 and 5,202.60

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Solution

The fourth proportional to 8,122.26, 12,158.66 and 5,202.60 is: 7,788.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122.26 : 12,158.66 = 5,202.60 : x
  2. Step 2: Convert to fraction form
    8,122.26/12,158.66 = 5,202.60/x
  3. Step 3: Cross multiply
    8,122.26x = 12,158.66 × 5,202.60
  4. Step 4: Simplify right side
    8,122.26x = 63,256,644.52
  5. Step 5: Solve for x
    x = 63,256,644.52/8,122.26
  6. Step 6: Final answer
    x = 7,788.06

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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.