Home / 5,409.33-8,111.17-2,076.58

Finding the Fourth Proportional to 5,409.33, 8,111.17 and 2,076.58

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Solution

The fourth proportional to 5,409.33, 8,111.17 and 2,076.58 is: 3,113.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.33 : 8,111.17 = 2,076.58 : x
  2. Step 2: Convert to fraction form
    5,409.33/8,111.17 = 2,076.58/x
  3. Step 3: Cross multiply
    5,409.33x = 8,111.17 × 2,076.58
  4. Step 4: Simplify right side
    5,409.33x = 16,843,493.40
  5. Step 5: Solve for x
    x = 16,843,493.40/5,409.33
  6. Step 6: Final answer
    x = 3,113.79

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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.