Home / 6,122.15-8,448.39-3,469.80

Finding the Fourth Proportional to 6,122.15, 8,448.39 and 3,469.80

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Solution

The fourth proportional to 6,122.15, 8,448.39 and 3,469.80 is: 4,788.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.15 : 8,448.39 = 3,469.80 : x
  2. Step 2: Convert to fraction form
    6,122.15/8,448.39 = 3,469.80/x
  3. Step 3: Cross multiply
    6,122.15x = 8,448.39 × 3,469.80
  4. Step 4: Simplify right side
    6,122.15x = 29,314,223.62
  5. Step 5: Solve for x
    x = 29,314,223.62/6,122.15
  6. Step 6: Final answer
    x = 4,788.23

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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.