Home / 6,545.14-9,818.40-2,163.40

Finding the Fourth Proportional to 6,545.14, 9,818.40 and 2,163.40

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Solution

The fourth proportional to 6,545.14, 9,818.40 and 2,163.40 is: 3,245.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,545.14 : 9,818.40 = 2,163.40 : x
  2. Step 2: Convert to fraction form
    6,545.14/9,818.40 = 2,163.40/x
  3. Step 3: Cross multiply
    6,545.14x = 9,818.40 × 2,163.40
  4. Step 4: Simplify right side
    6,545.14x = 21,241,126.56
  5. Step 5: Solve for x
    x = 21,241,126.56/6,545.14
  6. Step 6: Final answer
    x = 3,245.33

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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.