Home / 4,818.87-6,651.97-3,141.70

Finding the Fourth Proportional to 4,818.87, 6,651.97 and 3,141.70

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Solution

The fourth proportional to 4,818.87, 6,651.97 and 3,141.70 is: 4,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.87 : 6,651.97 = 3,141.70 : x
  2. Step 2: Convert to fraction form
    4,818.87/6,651.97 = 3,141.70/x
  3. Step 3: Cross multiply
    4,818.87x = 6,651.97 × 3,141.70
  4. Step 4: Simplify right side
    4,818.87x = 20,898,469.66
  5. Step 5: Solve for x
    x = 20,898,469.66/4,818.87
  6. Step 6: Final answer
    x = 4,336.80

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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.