Home / 8,921.36-13,374.72-3,371.54

Finding the Fourth Proportional to 8,921.36, 13,374.72 and 3,371.54

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Solution

The fourth proportional to 8,921.36, 13,374.72 and 3,371.54 is: 5,054.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921.36 : 13,374.72 = 3,371.54 : x
  2. Step 2: Convert to fraction form
    8,921.36/13,374.72 = 3,371.54/x
  3. Step 3: Cross multiply
    8,921.36x = 13,374.72 × 3,371.54
  4. Step 4: Simplify right side
    8,921.36x = 45,093,403.47
  5. Step 5: Solve for x
    x = 45,093,403.47/8,921.36
  6. Step 6: Final answer
    x = 5,054.54

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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.