Home / 7,408.92-11,111.49-3,025.56

Finding the Fourth Proportional to 7,408.92, 11,111.49 and 3,025.56

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Solution

The fourth proportional to 7,408.92, 11,111.49 and 3,025.56 is: 4,537.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.92 : 11,111.49 = 3,025.56 : x
  2. Step 2: Convert to fraction form
    7,408.92/11,111.49 = 3,025.56/x
  3. Step 3: Cross multiply
    7,408.92x = 11,111.49 × 3,025.56
  4. Step 4: Simplify right side
    7,408.92x = 33,618,479.68
  5. Step 5: Solve for x
    x = 33,618,479.68/7,408.92
  6. Step 6: Final answer
    x = 4,537.57

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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.