Home / 5,371.92-7,408.44-4,238.28

Finding the Fourth Proportional to 5,371.92, 7,408.44 and 4,238.28

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Solution

The fourth proportional to 5,371.92, 7,408.44 and 4,238.28 is: 5,845.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.92 : 7,408.44 = 4,238.28 : x
  2. Step 2: Convert to fraction form
    5,371.92/7,408.44 = 4,238.28/x
  3. Step 3: Cross multiply
    5,371.92x = 7,408.44 × 4,238.28
  4. Step 4: Simplify right side
    5,371.92x = 31,399,043.08
  5. Step 5: Solve for x
    x = 31,399,043.08/5,371.92
  6. Step 6: Final answer
    x = 5,845.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.