Home / 6,119.55-8,441.55-3,992.04

Finding the Fourth Proportional to 6,119.55, 8,441.55 and 3,992.04

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Solution

The fourth proportional to 6,119.55, 8,441.55 and 3,992.04 is: 5,506.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.55 : 8,441.55 = 3,992.04 : x
  2. Step 2: Convert to fraction form
    6,119.55/8,441.55 = 3,992.04/x
  3. Step 3: Cross multiply
    6,119.55x = 8,441.55 × 3,992.04
  4. Step 4: Simplify right side
    6,119.55x = 33,699,005.26
  5. Step 5: Solve for x
    x = 33,699,005.26/6,119.55
  6. Step 6: Final answer
    x = 5,506.78

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Half scale
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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.