Home / 4,120.33-6,181.51-1,198.66

Finding the Fourth Proportional to 4,120.33, 6,181.51 and 1,198.66

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Solution

The fourth proportional to 4,120.33, 6,181.51 and 1,198.66 is: 1,798.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.33 : 6,181.51 = 1,198.66 : x
  2. Step 2: Convert to fraction form
    4,120.33/6,181.51 = 1,198.66/x
  3. Step 3: Cross multiply
    4,120.33x = 6,181.51 × 1,198.66
  4. Step 4: Simplify right side
    4,120.33x = 7,409,528.78
  5. Step 5: Solve for x
    x = 7,409,528.78/4,120.33
  6. Step 6: Final answer
    x = 1,798.29

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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.