Home / 4,198.40-6,285.44-3,162.76

Finding the Fourth Proportional to 4,198.40, 6,285.44 and 3,162.76

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Solution

The fourth proportional to 4,198.40, 6,285.44 and 3,162.76 is: 4,734.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198.40 : 6,285.44 = 3,162.76 : x
  2. Step 2: Convert to fraction form
    4,198.40/6,285.44 = 3,162.76/x
  3. Step 3: Cross multiply
    4,198.40x = 6,285.44 × 3,162.76
  4. Step 4: Simplify right side
    4,198.40x = 19,879,338.21
  5. Step 5: Solve for x
    x = 19,879,338.21/4,198.40
  6. Step 6: Final answer
    x = 4,734.98

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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.