Home / 5,511.76-7,606.35-3,388.43

Finding the Fourth Proportional to 5,511.76, 7,606.35 and 3,388.43

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Solution

The fourth proportional to 5,511.76, 7,606.35 and 3,388.43 is: 4,676.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.76 : 7,606.35 = 3,388.43 : x
  2. Step 2: Convert to fraction form
    5,511.76/7,606.35 = 3,388.43/x
  3. Step 3: Cross multiply
    5,511.76x = 7,606.35 × 3,388.43
  4. Step 4: Simplify right side
    5,511.76x = 25,773,584.53
  5. Step 5: Solve for x
    x = 25,773,584.53/5,511.76
  6. Step 6: Final answer
    x = 4,676.11

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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.