Home / 6,137.36-8,469.89-3,620.95

Finding the Fourth Proportional to 6,137.36, 8,469.89 and 3,620.95

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Solution

The fourth proportional to 6,137.36, 8,469.89 and 3,620.95 is: 4,997.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,137.36 : 8,469.89 = 3,620.95 : x
  2. Step 2: Convert to fraction form
    6,137.36/8,469.89 = 3,620.95/x
  3. Step 3: Cross multiply
    6,137.36x = 8,469.89 × 3,620.95
  4. Step 4: Simplify right side
    6,137.36x = 30,669,005.85
  5. Step 5: Solve for x
    x = 30,669,005.85/6,137.36
  6. Step 6: Final answer
    x = 4,997.10

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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.