Home / 6,090.70-8,405.20-3,296.20

Finding the Fourth Proportional to 6,090.70, 8,405.20 and 3,296.20

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Solution

The fourth proportional to 6,090.70, 8,405.20 and 3,296.20 is: 4,548.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,090.70 : 8,405.20 = 3,296.20 : x
  2. Step 2: Convert to fraction form
    6,090.70/8,405.20 = 3,296.20/x
  3. Step 3: Cross multiply
    6,090.70x = 8,405.20 × 3,296.20
  4. Step 4: Simplify right side
    6,090.70x = 27,705,200.57
  5. Step 5: Solve for x
    x = 27,705,200.57/6,090.70
  6. Step 6: Final answer
    x = 4,548.77

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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.