Home / 4,918.92-6,783.66-3,239.79

Finding the Fourth Proportional to 4,918.92, 6,783.66 and 3,239.79

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Solution

The fourth proportional to 4,918.92, 6,783.66 and 3,239.79 is: 4,467.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.92 : 6,783.66 = 3,239.79 : x
  2. Step 2: Convert to fraction form
    4,918.92/6,783.66 = 3,239.79/x
  3. Step 3: Cross multiply
    4,918.92x = 6,783.66 × 3,239.79
  4. Step 4: Simplify right side
    4,918.92x = 21,977,633.83
  5. Step 5: Solve for x
    x = 21,977,633.83/4,918.92
  6. Step 6: Final answer
    x = 4,467.98

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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.