Home / 4,080.66-6,112.75-2,690.56

Finding the Fourth Proportional to 4,080.66, 6,112.75 and 2,690.56

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Solution

The fourth proportional to 4,080.66, 6,112.75 and 2,690.56 is: 4,030.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.66 : 6,112.75 = 2,690.56 : x
  2. Step 2: Convert to fraction form
    4,080.66/6,112.75 = 2,690.56/x
  3. Step 3: Cross multiply
    4,080.66x = 6,112.75 × 2,690.56
  4. Step 4: Simplify right side
    4,080.66x = 16,446,720.64
  5. Step 5: Solve for x
    x = 16,446,720.64/4,080.66
  6. Step 6: Final answer
    x = 4,030.41

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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.