Home / 6,545.39-9,816.71-2,161.85

Finding the Fourth Proportional to 6,545.39, 9,816.71 and 2,161.85

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Solution

The fourth proportional to 6,545.39, 9,816.71 and 2,161.85 is: 3,242.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,545.39 : 9,816.71 = 2,161.85 : x
  2. Step 2: Convert to fraction form
    6,545.39/9,816.71 = 2,161.85/x
  3. Step 3: Cross multiply
    6,545.39x = 9,816.71 × 2,161.85
  4. Step 4: Simplify right side
    6,545.39x = 21,222,194.62
  5. Step 5: Solve for x
    x = 21,222,194.62/6,545.39
  6. Step 6: Final answer
    x = 3,242.31

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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.