Home / 4,851.78-6,695.42-2,755.90

Finding the Fourth Proportional to 4,851.78, 6,695.42 and 2,755.90

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Solution

The fourth proportional to 4,851.78, 6,695.42 and 2,755.90 is: 3,803.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,851.78 : 6,695.42 = 2,755.90 : x
  2. Step 2: Convert to fraction form
    4,851.78/6,695.42 = 2,755.90/x
  3. Step 3: Cross multiply
    4,851.78x = 6,695.42 × 2,755.90
  4. Step 4: Simplify right side
    4,851.78x = 18,451,907.98
  5. Step 5: Solve for x
    x = 18,451,907.98/4,851.78
  6. Step 6: Final answer
    x = 3,803.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.