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Finding the Fourth Proportional to 5,928.67, 8,891.49 and 1,767.70

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Solution

The fourth proportional to 5,928.67, 8,891.49 and 1,767.70 is: 2,651.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,928.67 : 8,891.49 = 1,767.70 : x
  2. Step 2: Convert to fraction form
    5,928.67/8,891.49 = 1,767.70/x
  3. Step 3: Cross multiply
    5,928.67x = 8,891.49 × 1,767.70
  4. Step 4: Simplify right side
    5,928.67x = 15,717,486.87
  5. Step 5: Solve for x
    x = 15,717,486.87/5,928.67
  6. Step 6: Final answer
    x = 2,651.10

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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.