Home / 6,086.08-9,129.20-2,190.40

Finding the Fourth Proportional to 6,086.08, 9,129.20 and 2,190.40

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Solution

The fourth proportional to 6,086.08, 9,129.20 and 2,190.40 is: 3,285.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,086.08 : 9,129.20 = 2,190.40 : x
  2. Step 2: Convert to fraction form
    6,086.08/9,129.20 = 2,190.40/x
  3. Step 3: Cross multiply
    6,086.08x = 9,129.20 × 2,190.40
  4. Step 4: Simplify right side
    6,086.08x = 19,996,599.68
  5. Step 5: Solve for x
    x = 19,996,599.68/6,086.08
  6. Step 6: Final answer
    x = 3,285.63

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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.