Home / 4,975.39-6,866.67-2,879.11

Finding the Fourth Proportional to 4,975.39, 6,866.67 and 2,879.11

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Solution

The fourth proportional to 4,975.39, 6,866.67 and 2,879.11 is: 3,973.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,975.39 : 6,866.67 = 2,879.11 : x
  2. Step 2: Convert to fraction form
    4,975.39/6,866.67 = 2,879.11/x
  3. Step 3: Cross multiply
    4,975.39x = 6,866.67 × 2,879.11
  4. Step 4: Simplify right side
    4,975.39x = 19,769,898.26
  5. Step 5: Solve for x
    x = 19,769,898.26/4,975.39
  6. Step 6: Final answer
    x = 3,973.54

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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.