Home / 6,865.05-10,297.95-2,185.44

Finding the Fourth Proportional to 6,865.05, 10,297.95 and 2,185.44

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Solution

The fourth proportional to 6,865.05, 10,297.95 and 2,185.44 is: 3,278.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.05 : 10,297.95 = 2,185.44 : x
  2. Step 2: Convert to fraction form
    6,865.05/10,297.95 = 2,185.44/x
  3. Step 3: Cross multiply
    6,865.05x = 10,297.95 × 2,185.44
  4. Step 4: Simplify right side
    6,865.05x = 22,505,551.85
  5. Step 5: Solve for x
    x = 22,505,551.85/6,865.05
  6. Step 6: Final answer
    x = 3,278.28

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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.