Home / 4,249.58-6,381.56-2,771.32

Finding the Fourth Proportional to 4,249.58, 6,381.56 and 2,771.32

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Solution

The fourth proportional to 4,249.58, 6,381.56 and 2,771.32 is: 4,161.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,249.58 : 6,381.56 = 2,771.32 : x
  2. Step 2: Convert to fraction form
    4,249.58/6,381.56 = 2,771.32/x
  3. Step 3: Cross multiply
    4,249.58x = 6,381.56 × 2,771.32
  4. Step 4: Simplify right side
    4,249.58x = 17,685,344.86
  5. Step 5: Solve for x
    x = 17,685,344.86/4,249.58
  6. Step 6: Final answer
    x = 4,161.67

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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.