Home / 4,930.87-7,396.25-1,809.66

Finding the Fourth Proportional to 4,930.87, 7,396.25 and 1,809.66

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Solution

The fourth proportional to 4,930.87, 7,396.25 and 1,809.66 is: 2,714.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.87 : 7,396.25 = 1,809.66 : x
  2. Step 2: Convert to fraction form
    4,930.87/7,396.25 = 1,809.66/x
  3. Step 3: Cross multiply
    4,930.87x = 7,396.25 × 1,809.66
  4. Step 4: Simplify right side
    4,930.87x = 13,384,668.97
  5. Step 5: Solve for x
    x = 13,384,668.97/4,930.87
  6. Step 6: Final answer
    x = 2,714.46

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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.