Home / 4,481.34-6,720.92-1,403.34

Finding the Fourth Proportional to 4,481.34, 6,720.92 and 1,403.34

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Solution

The fourth proportional to 4,481.34, 6,720.92 and 1,403.34 is: 2,104.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,481.34 : 6,720.92 = 1,403.34 : x
  2. Step 2: Convert to fraction form
    4,481.34/6,720.92 = 1,403.34/x
  3. Step 3: Cross multiply
    4,481.34x = 6,720.92 × 1,403.34
  4. Step 4: Simplify right side
    4,481.34x = 9,431,735.87
  5. Step 5: Solve for x
    x = 9,431,735.87/4,481.34
  6. Step 6: Final answer
    x = 2,104.67

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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.