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Finding the Fourth Proportional to 5,744.74, 8,618.10 and 1,850.08

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Solution

The fourth proportional to 5,744.74, 8,618.10 and 1,850.08 is: 2,775.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,744.74 : 8,618.10 = 1,850.08 : x
  2. Step 2: Convert to fraction form
    5,744.74/8,618.10 = 1,850.08/x
  3. Step 3: Cross multiply
    5,744.74x = 8,618.10 × 1,850.08
  4. Step 4: Simplify right side
    5,744.74x = 15,944,174.45
  5. Step 5: Solve for x
    x = 15,944,174.45/5,744.74
  6. Step 6: Final answer
    x = 2,775.44

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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.