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Finding the Fourth Proportional to 6,553.39, 9,806.99 and 4,089.37

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Solution

The fourth proportional to 6,553.39, 9,806.99 and 4,089.37 is: 6,119.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,553.39 : 9,806.99 = 4,089.37 : x
  2. Step 2: Convert to fraction form
    6,553.39/9,806.99 = 4,089.37/x
  3. Step 3: Cross multiply
    6,553.39x = 9,806.99 × 4,089.37
  4. Step 4: Simplify right side
    6,553.39x = 40,104,410.70
  5. Step 5: Solve for x
    x = 40,104,410.70/6,553.39
  6. Step 6: Final answer
    x = 6,119.64

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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.