Home / 7,408.92-11,109.72-3,025.20

Finding the Fourth Proportional to 7,408.92, 11,109.72 and 3,025.20

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Solution

The fourth proportional to 7,408.92, 11,109.72 and 3,025.20 is: 4,536.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.92 : 11,109.72 = 3,025.20 : x
  2. Step 2: Convert to fraction form
    7,408.92/11,109.72 = 3,025.20/x
  3. Step 3: Cross multiply
    7,408.92x = 11,109.72 × 3,025.20
  4. Step 4: Simplify right side
    7,408.92x = 33,609,124.94
  5. Step 5: Solve for x
    x = 33,609,124.94/7,408.92
  6. Step 6: Final answer
    x = 4,536.31

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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.