Home / 4,086.28-6,130.41-2,112.43

Finding the Fourth Proportional to 4,086.28, 6,130.41 and 2,112.43

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Solution

The fourth proportional to 4,086.28, 6,130.41 and 2,112.43 is: 3,169.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.28 : 6,130.41 = 2,112.43 : x
  2. Step 2: Convert to fraction form
    4,086.28/6,130.41 = 2,112.43/x
  3. Step 3: Cross multiply
    4,086.28x = 6,130.41 × 2,112.43
  4. Step 4: Simplify right side
    4,086.28x = 12,950,062.00
  5. Step 5: Solve for x
    x = 12,950,062.00/4,086.28
  6. Step 6: Final answer
    x = 3,169.16

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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.