Home / 6,388.78-9,584.06-2,228.18

Finding the Fourth Proportional to 6,388.78, 9,584.06 and 2,228.18

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Solution

The fourth proportional to 6,388.78, 9,584.06 and 2,228.18 is: 3,342.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388.78 : 9,584.06 = 2,228.18 : x
  2. Step 2: Convert to fraction form
    6,388.78/9,584.06 = 2,228.18/x
  3. Step 3: Cross multiply
    6,388.78x = 9,584.06 × 2,228.18
  4. Step 4: Simplify right side
    6,388.78x = 21,355,010.81
  5. Step 5: Solve for x
    x = 21,355,010.81/6,388.78
  6. Step 6: Final answer
    x = 3,342.58

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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.