Home / 4,270.68-6,399.70-2,076.88

Finding the Fourth Proportional to 4,270.68, 6,399.70 and 2,076.88

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Solution

The fourth proportional to 4,270.68, 6,399.70 and 2,076.88 is: 3,112.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.68 : 6,399.70 = 2,076.88 : x
  2. Step 2: Convert to fraction form
    4,270.68/6,399.70 = 2,076.88/x
  3. Step 3: Cross multiply
    4,270.68x = 6,399.70 × 2,076.88
  4. Step 4: Simplify right side
    4,270.68x = 13,291,408.94
  5. Step 5: Solve for x
    x = 13,291,408.94/4,270.68
  6. Step 6: Final answer
    x = 3,112.25

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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.