Home / 5,545.26-8,321.54-3,081.85

Finding the Fourth Proportional to 5,545.26, 8,321.54 and 3,081.85

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Solution

The fourth proportional to 5,545.26, 8,321.54 and 3,081.85 is: 4,624.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.26 : 8,321.54 = 3,081.85 : x
  2. Step 2: Convert to fraction form
    5,545.26/8,321.54 = 3,081.85/x
  3. Step 3: Cross multiply
    5,545.26x = 8,321.54 × 3,081.85
  4. Step 4: Simplify right side
    5,545.26x = 25,645,701.84
  5. Step 5: Solve for x
    x = 25,645,701.84/5,545.26
  6. Step 6: Final answer
    x = 4,624.80

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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.