Home / 5,407.21-8,107.44-2,481.76

Finding the Fourth Proportional to 5,407.21, 8,107.44 and 2,481.76

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Solution

The fourth proportional to 5,407.21, 8,107.44 and 2,481.76 is: 3,721.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.21 : 8,107.44 = 2,481.76 : x
  2. Step 2: Convert to fraction form
    5,407.21/8,107.44 = 2,481.76/x
  3. Step 3: Cross multiply
    5,407.21x = 8,107.44 × 2,481.76
  4. Step 4: Simplify right side
    5,407.21x = 20,120,720.29
  5. Step 5: Solve for x
    x = 20,120,720.29/5,407.21
  6. Step 6: Final answer
    x = 3,721.09

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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.