Home / 8,745.78-13,097.30-4,589.31

Finding the Fourth Proportional to 8,745.78, 13,097.30 and 4,589.31

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Solution

The fourth proportional to 8,745.78, 13,097.30 and 4,589.31 is: 6,872.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.78 : 13,097.30 = 4,589.31 : x
  2. Step 2: Convert to fraction form
    8,745.78/13,097.30 = 4,589.31/x
  3. Step 3: Cross multiply
    8,745.78x = 13,097.30 × 4,589.31
  4. Step 4: Simplify right side
    8,745.78x = 60,107,546.92
  5. Step 5: Solve for x
    x = 60,107,546.92/8,745.78
  6. Step 6: Final answer
    x = 6,872.75

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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.