Home / 4,889.43-7,329.66-1,768.71

Finding the Fourth Proportional to 4,889.43, 7,329.66 and 1,768.71

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Solution

The fourth proportional to 4,889.43, 7,329.66 and 1,768.71 is: 2,651.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.43 : 7,329.66 = 1,768.71 : x
  2. Step 2: Convert to fraction form
    4,889.43/7,329.66 = 1,768.71/x
  3. Step 3: Cross multiply
    4,889.43x = 7,329.66 × 1,768.71
  4. Step 4: Simplify right side
    4,889.43x = 12,964,042.94
  5. Step 5: Solve for x
    x = 12,964,042.94/4,889.43
  6. Step 6: Final answer
    x = 2,651.44

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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.