Home / 6,169.20-8,513.56-3,745.86

Finding the Fourth Proportional to 6,169.20, 8,513.56 and 3,745.86

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Solution

The fourth proportional to 6,169.20, 8,513.56 and 3,745.86 is: 5,169.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,169.20 : 8,513.56 = 3,745.86 : x
  2. Step 2: Convert to fraction form
    6,169.20/8,513.56 = 3,745.86/x
  3. Step 3: Cross multiply
    6,169.20x = 8,513.56 × 3,745.86
  4. Step 4: Simplify right side
    6,169.20x = 31,890,576.62
  5. Step 5: Solve for x
    x = 31,890,576.62/6,169.20
  6. Step 6: Final answer
    x = 5,169.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.