Home / 6,092.20-9,138.30-3,905.20

Finding the Fourth Proportional to 6,092.20, 9,138.30 and 3,905.20

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Solution

The fourth proportional to 6,092.20, 9,138.30 and 3,905.20 is: 5,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,092.20 : 9,138.30 = 3,905.20 : x
  2. Step 2: Convert to fraction form
    6,092.20/9,138.30 = 3,905.20/x
  3. Step 3: Cross multiply
    6,092.20x = 9,138.30 × 3,905.20
  4. Step 4: Simplify right side
    6,092.20x = 35,686,889.16
  5. Step 5: Solve for x
    x = 35,686,889.16/6,092.20
  6. Step 6: Final answer
    x = 5,857.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.