Home / 4,499.62-6,749.42-1,213.05

Finding the Fourth Proportional to 4,499.62, 6,749.42 and 1,213.05

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Solution

The fourth proportional to 4,499.62, 6,749.42 and 1,213.05 is: 1,819.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,499.62 : 6,749.42 = 1,213.05 : x
  2. Step 2: Convert to fraction form
    4,499.62/6,749.42 = 1,213.05/x
  3. Step 3: Cross multiply
    4,499.62x = 6,749.42 × 1,213.05
  4. Step 4: Simplify right side
    4,499.62x = 8,187,352.56
  5. Step 5: Solve for x
    x = 8,187,352.56/4,499.62
  6. Step 6: Final answer
    x = 1,819.56

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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.