Home / 4,028.20-6,039.90-1,429.96

Finding the Fourth Proportional to 4,028.20, 6,039.90 and 1,429.96

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Solution

The fourth proportional to 4,028.20, 6,039.90 and 1,429.96 is: 2,144.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,028.20 : 6,039.90 = 1,429.96 : x
  2. Step 2: Convert to fraction form
    4,028.20/6,039.90 = 1,429.96/x
  3. Step 3: Cross multiply
    4,028.20x = 6,039.90 × 1,429.96
  4. Step 4: Simplify right side
    4,028.20x = 8,636,815.40
  5. Step 5: Solve for x
    x = 8,636,815.40/4,028.20
  6. Step 6: Final answer
    x = 2,144.09

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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.