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Finding the Fourth Proportional to 6,611.67, 9,916.97 and 2,449.71

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Solution

The fourth proportional to 6,611.67, 9,916.97 and 2,449.71 is: 3,674.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,611.67 : 9,916.97 = 2,449.71 : x
  2. Step 2: Convert to fraction form
    6,611.67/9,916.97 = 2,449.71/x
  3. Step 3: Cross multiply
    6,611.67x = 9,916.97 × 2,449.71
  4. Step 4: Simplify right side
    6,611.67x = 24,293,688.33
  5. Step 5: Solve for x
    x = 24,293,688.33/6,611.67
  6. Step 6: Final answer
    x = 3,674.36

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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.