Home / 6,090.91-9,132.12-3,318.88

Finding the Fourth Proportional to 6,090.91, 9,132.12 and 3,318.88

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Solution

The fourth proportional to 6,090.91, 9,132.12 and 3,318.88 is: 4,976.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,090.91 : 9,132.12 = 3,318.88 : x
  2. Step 2: Convert to fraction form
    6,090.91/9,132.12 = 3,318.88/x
  3. Step 3: Cross multiply
    6,090.91x = 9,132.12 × 3,318.88
  4. Step 4: Simplify right side
    6,090.91x = 30,308,410.43
  5. Step 5: Solve for x
    x = 30,308,410.43/6,090.91
  6. Step 6: Final answer
    x = 4,976.01

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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.