Home / 4,021.24-6,033.78-1,425.40

Finding the Fourth Proportional to 4,021.24, 6,033.78 and 1,425.40

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Solution

The fourth proportional to 4,021.24, 6,033.78 and 1,425.40 is: 2,138.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.24 : 6,033.78 = 1,425.40 : x
  2. Step 2: Convert to fraction form
    4,021.24/6,033.78 = 1,425.40/x
  3. Step 3: Cross multiply
    4,021.24x = 6,033.78 × 1,425.40
  4. Step 4: Simplify right side
    4,021.24x = 8,600,550.01
  5. Step 5: Solve for x
    x = 8,600,550.01/4,021.24
  6. Step 6: Final answer
    x = 2,138.78

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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.