Home / 6,086.20-9,129.30-4,012.60

Finding the Fourth Proportional to 6,086.20, 9,129.30 and 4,012.60

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Solution

The fourth proportional to 6,086.20, 9,129.30 and 4,012.60 is: 6,018.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,086.20 : 9,129.30 = 4,012.60 : x
  2. Step 2: Convert to fraction form
    6,086.20/9,129.30 = 4,012.60/x
  3. Step 3: Cross multiply
    6,086.20x = 9,129.30 × 4,012.60
  4. Step 4: Simplify right side
    6,086.20x = 36,632,229.18
  5. Step 5: Solve for x
    x = 36,632,229.18/6,086.20
  6. Step 6: Final answer
    x = 6,018.90

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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.