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Finding the Fourth Proportional to 5,745.88, 8,620.19 and 1,850.29

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Solution

The fourth proportional to 5,745.88, 8,620.19 and 1,850.29 is: 2,775.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745.88 : 8,620.19 = 1,850.29 : x
  2. Step 2: Convert to fraction form
    5,745.88/8,620.19 = 1,850.29/x
  3. Step 3: Cross multiply
    5,745.88x = 8,620.19 × 1,850.29
  4. Step 4: Simplify right side
    5,745.88x = 15,949,851.36
  5. Step 5: Solve for x
    x = 15,949,851.36/5,745.88
  6. Step 6: Final answer
    x = 2,775.88

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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.