Home / 6,545.70-9,819.18-2,163.42

Finding the Fourth Proportional to 6,545.70, 9,819.18 and 2,163.42

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Solution

The fourth proportional to 6,545.70, 9,819.18 and 2,163.42 is: 3,245.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,545.70 : 9,819.18 = 2,163.42 : x
  2. Step 2: Convert to fraction form
    6,545.70/9,819.18 = 2,163.42/x
  3. Step 3: Cross multiply
    6,545.70x = 9,819.18 × 2,163.42
  4. Step 4: Simplify right side
    6,545.70x = 21,243,010.40
  5. Step 5: Solve for x
    x = 21,243,010.40/6,545.70
  6. Step 6: Final answer
    x = 3,245.34

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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.