Home / 4,930.93-7,385.89-3,989.84

Finding the Fourth Proportional to 4,930.93, 7,385.89 and 3,989.84

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Solution

The fourth proportional to 4,930.93, 7,385.89 and 3,989.84 is: 5,976.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.93 : 7,385.89 = 3,989.84 : x
  2. Step 2: Convert to fraction form
    4,930.93/7,385.89 = 3,989.84/x
  3. Step 3: Cross multiply
    4,930.93x = 7,385.89 × 3,989.84
  4. Step 4: Simplify right side
    4,930.93x = 29,468,519.36
  5. Step 5: Solve for x
    x = 29,468,519.36/4,930.93
  6. Step 6: Final answer
    x = 5,976.26

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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.