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Finding the Fourth Proportional to 4,268.03, 5,891.00 and 2,780.03

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Solution

The fourth proportional to 4,268.03, 5,891.00 and 2,780.03 is: 3,837.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.03 : 5,891.00 = 2,780.03 : x
  2. Step 2: Convert to fraction form
    4,268.03/5,891.00 = 2,780.03/x
  3. Step 3: Cross multiply
    4,268.03x = 5,891.00 × 2,780.03
  4. Step 4: Simplify right side
    4,268.03x = 16,377,142.83
  5. Step 5: Solve for x
    x = 16,377,142.83/4,268.03
  6. Step 6: Final answer
    x = 3,837.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.