Home / 6,545.60-9,819.62-2,166.14

Finding the Fourth Proportional to 6,545.60, 9,819.62 and 2,166.14

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Solution

The fourth proportional to 6,545.60, 9,819.62 and 2,166.14 is: 3,249.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,545.60 : 9,819.62 = 2,166.14 : x
  2. Step 2: Convert to fraction form
    6,545.60/9,819.62 = 2,166.14/x
  3. Step 3: Cross multiply
    6,545.60x = 9,819.62 × 2,166.14
  4. Step 4: Simplify right side
    6,545.60x = 21,270,611.74
  5. Step 5: Solve for x
    x = 21,270,611.74/6,545.60
  6. Step 6: Final answer
    x = 3,249.61

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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.