Home / 7,828.86-11,747.15-3,668.15

Finding the Fourth Proportional to 7,828.86, 11,747.15 and 3,668.15

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Solution

The fourth proportional to 7,828.86, 11,747.15 and 3,668.15 is: 5,504.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.86 : 11,747.15 = 3,668.15 : x
  2. Step 2: Convert to fraction form
    7,828.86/11,747.15 = 3,668.15/x
  3. Step 3: Cross multiply
    7,828.86x = 11,747.15 × 3,668.15
  4. Step 4: Simplify right side
    7,828.86x = 43,090,231.20
  5. Step 5: Solve for x
    x = 43,090,231.20/7,828.86
  6. Step 6: Final answer
    x = 5,504.03

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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.