Home / 6,072.78-9,102.96-2,788.32

Finding the Fourth Proportional to 6,072.78, 9,102.96 and 2,788.32

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Solution

The fourth proportional to 6,072.78, 9,102.96 and 2,788.32 is: 4,179.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,072.78 : 9,102.96 = 2,788.32 : x
  2. Step 2: Convert to fraction form
    6,072.78/9,102.96 = 2,788.32/x
  3. Step 3: Cross multiply
    6,072.78x = 9,102.96 × 2,788.32
  4. Step 4: Simplify right side
    6,072.78x = 25,381,965.43
  5. Step 5: Solve for x
    x = 25,381,965.43/6,072.78
  6. Step 6: Final answer
    x = 4,179.63

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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.