Home / 4,120.48-6,180.54-1,198.72

Finding the Fourth Proportional to 4,120.48, 6,180.54 and 1,198.72

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Solution

The fourth proportional to 4,120.48, 6,180.54 and 1,198.72 is: 1,798.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.48 : 6,180.54 = 1,198.72 : x
  2. Step 2: Convert to fraction form
    4,120.48/6,180.54 = 1,198.72/x
  3. Step 3: Cross multiply
    4,120.48x = 6,180.54 × 1,198.72
  4. Step 4: Simplify right side
    4,120.48x = 7,408,736.91
  5. Step 5: Solve for x
    x = 7,408,736.91/4,120.48
  6. Step 6: Final answer
    x = 1,798.03

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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.