Home / 5,128.92-7,694.46-4,396.68

Finding the Fourth Proportional to 5,128.92, 7,694.46 and 4,396.68

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Solution

The fourth proportional to 5,128.92, 7,694.46 and 4,396.68 is: 6,595.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128.92 : 7,694.46 = 4,396.68 : x
  2. Step 2: Convert to fraction form
    5,128.92/7,694.46 = 4,396.68/x
  3. Step 3: Cross multiply
    5,128.92x = 7,694.46 × 4,396.68
  4. Step 4: Simplify right side
    5,128.92x = 33,830,078.39
  5. Step 5: Solve for x
    x = 33,830,078.39/5,128.92
  6. Step 6: Final answer
    x = 6,595.95

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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.