Home / 6,121.98-8,448.12-3,469.32

Finding the Fourth Proportional to 6,121.98, 8,448.12 and 3,469.32

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Solution

The fourth proportional to 6,121.98, 8,448.12 and 3,469.32 is: 4,787.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.98 : 8,448.12 = 3,469.32 : x
  2. Step 2: Convert to fraction form
    6,121.98/8,448.12 = 3,469.32/x
  3. Step 3: Cross multiply
    6,121.98x = 8,448.12 × 3,469.32
  4. Step 4: Simplify right side
    6,121.98x = 29,309,231.68
  5. Step 5: Solve for x
    x = 29,309,231.68/6,121.98
  6. Step 6: Final answer
    x = 4,787.54

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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.