Home / 4,089.64-6,131.99-1,837.75

Finding the Fourth Proportional to 4,089.64, 6,131.99 and 1,837.75

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Solution

The fourth proportional to 4,089.64, 6,131.99 and 1,837.75 is: 2,755.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.64 : 6,131.99 = 1,837.75 : x
  2. Step 2: Convert to fraction form
    4,089.64/6,131.99 = 1,837.75/x
  3. Step 3: Cross multiply
    4,089.64x = 6,131.99 × 1,837.75
  4. Step 4: Simplify right side
    4,089.64x = 11,269,074.09
  5. Step 5: Solve for x
    x = 11,269,074.09/4,089.64
  6. Step 6: Final answer
    x = 2,755.52

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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.