Home / 8,745.20-13,121.67-4,584.22

Finding the Fourth Proportional to 8,745.20, 13,121.67 and 4,584.22

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Solution

The fourth proportional to 8,745.20, 13,121.67 and 4,584.22 is: 6,878.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.20 : 13,121.67 = 4,584.22 : x
  2. Step 2: Convert to fraction form
    8,745.20/13,121.67 = 4,584.22/x
  3. Step 3: Cross multiply
    8,745.20x = 13,121.67 × 4,584.22
  4. Step 4: Simplify right side
    8,745.20x = 60,152,622.05
  5. Step 5: Solve for x
    x = 60,152,622.05/8,745.20
  6. Step 6: Final answer
    x = 6,878.36

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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.