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Finding the Fourth Proportional to 4,397.89, 6,599.13 and 1,934.43

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Solution

The fourth proportional to 4,397.89, 6,599.13 and 1,934.43 is: 2,902.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,397.89 : 6,599.13 = 1,934.43 : x
  2. Step 2: Convert to fraction form
    4,397.89/6,599.13 = 1,934.43/x
  3. Step 3: Cross multiply
    4,397.89x = 6,599.13 × 1,934.43
  4. Step 4: Simplify right side
    4,397.89x = 12,765,555.05
  5. Step 5: Solve for x
    x = 12,765,555.05/4,397.89
  6. Step 6: Final answer
    x = 2,902.65

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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.