Home / 7,669.69-11,506.96-2,739.22

Finding the Fourth Proportional to 7,669.69, 11,506.96 and 2,739.22

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Solution

The fourth proportional to 7,669.69, 11,506.96 and 2,739.22 is: 4,109.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,669.69 : 11,506.96 = 2,739.22 : x
  2. Step 2: Convert to fraction form
    7,669.69/11,506.96 = 2,739.22/x
  3. Step 3: Cross multiply
    7,669.69x = 11,506.96 × 2,739.22
  4. Step 4: Simplify right side
    7,669.69x = 31,520,094.97
  5. Step 5: Solve for x
    x = 31,520,094.97/7,669.69
  6. Step 6: Final answer
    x = 4,109.70

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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.