Home / 8,921.33-13,383.51-3,076.58

Finding the Fourth Proportional to 8,921.33, 13,383.51 and 3,076.58

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Solution

The fourth proportional to 8,921.33, 13,383.51 and 3,076.58 is: 4,615.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921.33 : 13,383.51 = 3,076.58 : x
  2. Step 2: Convert to fraction form
    8,921.33/13,383.51 = 3,076.58/x
  3. Step 3: Cross multiply
    8,921.33x = 13,383.51 × 3,076.58
  4. Step 4: Simplify right side
    8,921.33x = 41,175,372.28
  5. Step 5: Solve for x
    x = 41,175,372.28/8,921.33
  6. Step 6: Final answer
    x = 4,615.39

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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.