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Finding the Fourth Proportional to 6,600.50, 9,888.39 and 3,309.74

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Solution

The fourth proportional to 6,600.50, 9,888.39 and 3,309.74 is: 4,958.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.50 : 9,888.39 = 3,309.74 : x
  2. Step 2: Convert to fraction form
    6,600.50/9,888.39 = 3,309.74/x
  3. Step 3: Cross multiply
    6,600.50x = 9,888.39 × 3,309.74
  4. Step 4: Simplify right side
    6,600.50x = 32,727,999.92
  5. Step 5: Solve for x
    x = 32,727,999.92/6,600.50
  6. Step 6: Final answer
    x = 4,958.41

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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.