Home / 4,930.30-7,388.70-3,169.90

Finding the Fourth Proportional to 4,930.30, 7,388.70 and 3,169.90

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Solution

The fourth proportional to 4,930.30, 7,388.70 and 3,169.90 is: 4,750.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.30 : 7,388.70 = 3,169.90 : x
  2. Step 2: Convert to fraction form
    4,930.30/7,388.70 = 3,169.90/x
  3. Step 3: Cross multiply
    4,930.30x = 7,388.70 × 3,169.90
  4. Step 4: Simplify right side
    4,930.30x = 23,421,440.13
  5. Step 5: Solve for x
    x = 23,421,440.13/4,930.30
  6. Step 6: Final answer
    x = 4,750.51

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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.