Home / 4,200.21-6,290.74-2,010.49

Finding the Fourth Proportional to 4,200.21, 6,290.74 and 2,010.49

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Solution

The fourth proportional to 4,200.21, 6,290.74 and 2,010.49 is: 3,011.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.21 : 6,290.74 = 2,010.49 : x
  2. Step 2: Convert to fraction form
    4,200.21/6,290.74 = 2,010.49/x
  3. Step 3: Cross multiply
    4,200.21x = 6,290.74 × 2,010.49
  4. Step 4: Simplify right side
    4,200.21x = 12,647,469.86
  5. Step 5: Solve for x
    x = 12,647,469.86/4,200.21
  6. Step 6: Final answer
    x = 3,011.15

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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.