Home / 6,080.20-8,390.39-4,090.44

Finding the Fourth Proportional to 6,080.20, 8,390.39 and 4,090.44

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Solution

The fourth proportional to 6,080.20, 8,390.39 and 4,090.44 is: 5,644.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,080.20 : 8,390.39 = 4,090.44 : x
  2. Step 2: Convert to fraction form
    6,080.20/8,390.39 = 4,090.44/x
  3. Step 3: Cross multiply
    6,080.20x = 8,390.39 × 4,090.44
  4. Step 4: Simplify right side
    6,080.20x = 34,320,355.15
  5. Step 5: Solve for x
    x = 34,320,355.15/6,080.20
  6. Step 6: Final answer
    x = 5,644.61

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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.