Home / 6,119.20-9,176.46-1,958.32

Finding the Fourth Proportional to 6,119.20, 9,176.46 and 1,958.32

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Solution

The fourth proportional to 6,119.20, 9,176.46 and 1,958.32 is: 2,936.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.20 : 9,176.46 = 1,958.32 : x
  2. Step 2: Convert to fraction form
    6,119.20/9,176.46 = 1,958.32/x
  3. Step 3: Cross multiply
    6,119.20x = 9,176.46 × 1,958.32
  4. Step 4: Simplify right side
    6,119.20x = 17,970,445.15
  5. Step 5: Solve for x
    x = 17,970,445.15/6,119.20
  6. Step 6: Final answer
    x = 2,936.73

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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.