Home / 8,939.44-13,408.74-3,015.94

Finding the Fourth Proportional to 8,939.44, 13,408.74 and 3,015.94

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Solution

The fourth proportional to 8,939.44, 13,408.74 and 3,015.94 is: 4,523.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939.44 : 13,408.74 = 3,015.94 : x
  2. Step 2: Convert to fraction form
    8,939.44/13,408.74 = 3,015.94/x
  3. Step 3: Cross multiply
    8,939.44x = 13,408.74 × 3,015.94
  4. Step 4: Simplify right side
    8,939.44x = 40,439,955.32
  5. Step 5: Solve for x
    x = 40,439,955.32/8,939.44
  6. Step 6: Final answer
    x = 4,523.77

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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.