Home / 4,790.87-6,613.73-3,198.46

Finding the Fourth Proportional to 4,790.87, 6,613.73 and 3,198.46

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Solution

The fourth proportional to 4,790.87, 6,613.73 and 3,198.46 is: 4,415.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.87 : 6,613.73 = 3,198.46 : x
  2. Step 2: Convert to fraction form
    4,790.87/6,613.73 = 3,198.46/x
  3. Step 3: Cross multiply
    4,790.87x = 6,613.73 × 3,198.46
  4. Step 4: Simplify right side
    4,790.87x = 21,153,750.86
  5. Step 5: Solve for x
    x = 21,153,750.86/4,790.87
  6. Step 6: Final answer
    x = 4,415.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.