Home / 6,090.72-8,405.19-3,296.22

Finding the Fourth Proportional to 6,090.72, 8,405.19 and 3,296.22

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Solution

The fourth proportional to 6,090.72, 8,405.19 and 3,296.22 is: 4,548.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,090.72 : 8,405.19 = 3,296.22 : x
  2. Step 2: Convert to fraction form
    6,090.72/8,405.19 = 3,296.22/x
  3. Step 3: Cross multiply
    6,090.72x = 8,405.19 × 3,296.22
  4. Step 4: Simplify right side
    6,090.72x = 27,705,363.62
  5. Step 5: Solve for x
    x = 27,705,363.62/6,090.72
  6. Step 6: Final answer
    x = 4,548.78

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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.