Home / 8,745.66-13,120.31-3,551.53

Finding the Fourth Proportional to 8,745.66, 13,120.31 and 3,551.53

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Solution

The fourth proportional to 8,745.66, 13,120.31 and 3,551.53 is: 5,328.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.66 : 13,120.31 = 3,551.53 : x
  2. Step 2: Convert to fraction form
    8,745.66/13,120.31 = 3,551.53/x
  3. Step 3: Cross multiply
    8,745.66x = 13,120.31 × 3,551.53
  4. Step 4: Simplify right side
    8,745.66x = 46,597,174.57
  5. Step 5: Solve for x
    x = 46,597,174.57/8,745.66
  6. Step 6: Final answer
    x = 5,328.03

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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.