Home / 7,669.92-11,506.41-2,739.42

Finding the Fourth Proportional to 7,669.92, 11,506.41 and 2,739.42

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Solution

The fourth proportional to 7,669.92, 11,506.41 and 2,739.42 is: 4,109.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,669.92 : 11,506.41 = 2,739.42 : x
  2. Step 2: Convert to fraction form
    7,669.92/11,506.41 = 2,739.42/x
  3. Step 3: Cross multiply
    7,669.92x = 11,506.41 × 2,739.42
  4. Step 4: Simplify right side
    7,669.92x = 31,520,889.68
  5. Step 5: Solve for x
    x = 31,520,889.68/7,669.92
  6. Step 6: Final answer
    x = 4,109.68

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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.