Home / 5,851.45-8,074.75-3,198.90

Finding the Fourth Proportional to 5,851.45, 8,074.75 and 3,198.90

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Solution

The fourth proportional to 5,851.45, 8,074.75 and 3,198.90 is: 4,414.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,851.45 : 8,074.75 = 3,198.90 : x
  2. Step 2: Convert to fraction form
    5,851.45/8,074.75 = 3,198.90/x
  3. Step 3: Cross multiply
    5,851.45x = 8,074.75 × 3,198.90
  4. Step 4: Simplify right side
    5,851.45x = 25,830,317.78
  5. Step 5: Solve for x
    x = 25,830,317.78/5,851.45
  6. Step 6: Final answer
    x = 4,414.34

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1.5x scale

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.