Home / 4,277.82-6,408.42-2,812.56

Finding the Fourth Proportional to 4,277.82, 6,408.42 and 2,812.56

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Solution

The fourth proportional to 4,277.82, 6,408.42 and 2,812.56 is: 4,213.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277.82 : 6,408.42 = 2,812.56 : x
  2. Step 2: Convert to fraction form
    4,277.82/6,408.42 = 2,812.56/x
  3. Step 3: Cross multiply
    4,277.82x = 6,408.42 × 2,812.56
  4. Step 4: Simplify right side
    4,277.82x = 18,024,065.76
  5. Step 5: Solve for x
    x = 18,024,065.76/4,277.82
  6. Step 6: Final answer
    x = 4,213.38

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1.5x scale

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.