Home / 8,080.98-12,121.41-5,545.54

Finding the Fourth Proportional to 8,080.98, 12,121.41 and 5,545.54

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Solution

The fourth proportional to 8,080.98, 12,121.41 and 5,545.54 is: 8,318.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.98 : 12,121.41 = 5,545.54 : x
  2. Step 2: Convert to fraction form
    8,080.98/12,121.41 = 5,545.54/x
  3. Step 3: Cross multiply
    8,080.98x = 12,121.41 × 5,545.54
  4. Step 4: Simplify right side
    8,080.98x = 67,219,742.47
  5. Step 5: Solve for x
    x = 67,219,742.47/8,080.98
  6. Step 6: Final answer
    x = 8,318.27

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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.