Home / 4,144.32-6,215.58-1,221.96

Finding the Fourth Proportional to 4,144.32, 6,215.58 and 1,221.96

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Solution

The fourth proportional to 4,144.32, 6,215.58 and 1,221.96 is: 1,832.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,144.32 : 6,215.58 = 1,221.96 : x
  2. Step 2: Convert to fraction form
    4,144.32/6,215.58 = 1,221.96/x
  3. Step 3: Cross multiply
    4,144.32x = 6,215.58 × 1,221.96
  4. Step 4: Simplify right side
    4,144.32x = 7,595,190.14
  5. Step 5: Solve for x
    x = 7,595,190.14/4,144.32
  6. Step 6: Final answer
    x = 1,832.67

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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.