Home / 7,867.56-11,794.05-2,669.79

Finding the Fourth Proportional to 7,867.56, 11,794.05 and 2,669.79

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Solution

The fourth proportional to 7,867.56, 11,794.05 and 2,669.79 is: 4,002.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.56 : 11,794.05 = 2,669.79 : x
  2. Step 2: Convert to fraction form
    7,867.56/11,794.05 = 2,669.79/x
  3. Step 3: Cross multiply
    7,867.56x = 11,794.05 × 2,669.79
  4. Step 4: Simplify right side
    7,867.56x = 31,487,636.75
  5. Step 5: Solve for x
    x = 31,487,636.75/7,867.56
  6. Step 6: Final answer
    x = 4,002.21

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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.