Home / 8,121.26-11,204.02-5,469.52

Finding the Fourth Proportional to 8,121.26, 11,204.02 and 5,469.52

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Solution

The fourth proportional to 8,121.26, 11,204.02 and 5,469.52 is: 7,545.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121.26 : 11,204.02 = 5,469.52 : x
  2. Step 2: Convert to fraction form
    8,121.26/11,204.02 = 5,469.52/x
  3. Step 3: Cross multiply
    8,121.26x = 11,204.02 × 5,469.52
  4. Step 4: Simplify right side
    8,121.26x = 61,280,611.47
  5. Step 5: Solve for x
    x = 61,280,611.47/8,121.26
  6. Step 6: Final answer
    x = 7,545.70

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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.