Home / 4,126.87-6,190.31-1,819.99

Finding the Fourth Proportional to 4,126.87, 6,190.31 and 1,819.99

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Solution

The fourth proportional to 4,126.87, 6,190.31 and 1,819.99 is: 2,729.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126.87 : 6,190.31 = 1,819.99 : x
  2. Step 2: Convert to fraction form
    4,126.87/6,190.31 = 1,819.99/x
  3. Step 3: Cross multiply
    4,126.87x = 6,190.31 × 1,819.99
  4. Step 4: Simplify right side
    4,126.87x = 11,266,302.30
  5. Step 5: Solve for x
    x = 11,266,302.30/4,126.87
  6. Step 6: Final answer
    x = 2,729.99

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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.