Home / 6,109.16-8,428.44-3,456.54

Finding the Fourth Proportional to 6,109.16, 8,428.44 and 3,456.54

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Solution

The fourth proportional to 6,109.16, 8,428.44 and 3,456.54 is: 4,768.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,109.16 : 8,428.44 = 3,456.54 : x
  2. Step 2: Convert to fraction form
    6,109.16/8,428.44 = 3,456.54/x
  3. Step 3: Cross multiply
    6,109.16x = 8,428.44 × 3,456.54
  4. Step 4: Simplify right side
    6,109.16x = 29,133,240.00
  5. Step 5: Solve for x
    x = 29,133,240.00/6,109.16
  6. Step 6: Final answer
    x = 4,768.78

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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.