Home / 4,002.12-5,990.62-2,906.20

Finding the Fourth Proportional to 4,002.12, 5,990.62 and 2,906.20

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Solution

The fourth proportional to 4,002.12, 5,990.62 and 2,906.20 is: 4,350.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,002.12 : 5,990.62 = 2,906.20 : x
  2. Step 2: Convert to fraction form
    4,002.12/5,990.62 = 2,906.20/x
  3. Step 3: Cross multiply
    4,002.12x = 5,990.62 × 2,906.20
  4. Step 4: Simplify right side
    4,002.12x = 17,409,939.84
  5. Step 5: Solve for x
    x = 17,409,939.84/4,002.12
  6. Step 6: Final answer
    x = 4,350.18

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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.