Home / 6,858.45-10,290.60-3,351.56

Finding the Fourth Proportional to 6,858.45, 10,290.60 and 3,351.56

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Solution

The fourth proportional to 6,858.45, 10,290.60 and 3,351.56 is: 5,028.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,858.45 : 10,290.60 = 3,351.56 : x
  2. Step 2: Convert to fraction form
    6,858.45/10,290.60 = 3,351.56/x
  3. Step 3: Cross multiply
    6,858.45x = 10,290.60 × 3,351.56
  4. Step 4: Simplify right side
    6,858.45x = 34,489,511.88
  5. Step 5: Solve for x
    x = 34,489,511.88/6,858.45
  6. Step 6: Final answer
    x = 5,028.76

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1.5x scale

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.