Home / 6,135.45-8,467.82-3,616.75

Finding the Fourth Proportional to 6,135.45, 8,467.82 and 3,616.75

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Solution

The fourth proportional to 6,135.45, 8,467.82 and 3,616.75 is: 4,991.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,135.45 : 8,467.82 = 3,616.75 : x
  2. Step 2: Convert to fraction form
    6,135.45/8,467.82 = 3,616.75/x
  3. Step 3: Cross multiply
    6,135.45x = 8,467.82 × 3,616.75
  4. Step 4: Simplify right side
    6,135.45x = 30,625,987.99
  5. Step 5: Solve for x
    x = 30,625,987.99/6,135.45
  6. Step 6: Final answer
    x = 4,991.64

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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.