Home / 4,975.23-7,455.87-3,930.60

Finding the Fourth Proportional to 4,975.23, 7,455.87 and 3,930.60

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Solution

The fourth proportional to 4,975.23, 7,455.87 and 3,930.60 is: 5,890.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,975.23 : 7,455.87 = 3,930.60 : x
  2. Step 2: Convert to fraction form
    4,975.23/7,455.87 = 3,930.60/x
  3. Step 3: Cross multiply
    4,975.23x = 7,455.87 × 3,930.60
  4. Step 4: Simplify right side
    4,975.23x = 29,306,042.62
  5. Step 5: Solve for x
    x = 29,306,042.62/4,975.23
  6. Step 6: Final answer
    x = 5,890.39

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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.