Home / 8,939.14-13,408.64-3,745.02

Finding the Fourth Proportional to 8,939.14, 13,408.64 and 3,745.02

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Solution

The fourth proportional to 8,939.14, 13,408.64 and 3,745.02 is: 5,617.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939.14 : 13,408.64 = 3,745.02 : x
  2. Step 2: Convert to fraction form
    8,939.14/13,408.64 = 3,745.02/x
  3. Step 3: Cross multiply
    8,939.14x = 13,408.64 × 3,745.02
  4. Step 4: Simplify right side
    8,939.14x = 50,215,624.97
  5. Step 5: Solve for x
    x = 50,215,624.97/8,939.14
  6. Step 6: Final answer
    x = 5,617.50

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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.