Home / 4,930.90-7,394.23-1,809.88

Finding the Fourth Proportional to 4,930.90, 7,394.23 and 1,809.88

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Solution

The fourth proportional to 4,930.90, 7,394.23 and 1,809.88 is: 2,714.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.90 : 7,394.23 = 1,809.88 : x
  2. Step 2: Convert to fraction form
    4,930.90/7,394.23 = 1,809.88/x
  3. Step 3: Cross multiply
    4,930.90x = 7,394.23 × 1,809.88
  4. Step 4: Simplify right side
    4,930.90x = 13,382,668.99
  5. Step 5: Solve for x
    x = 13,382,668.99/4,930.90
  6. Step 6: Final answer
    x = 2,714.04

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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.