Home / 7,829.91-11,739.29-3,667.64

Finding the Fourth Proportional to 7,829.91, 11,739.29 and 3,667.64

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Solution

The fourth proportional to 7,829.91, 11,739.29 and 3,667.64 is: 5,498.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.91 : 11,739.29 = 3,667.64 : x
  2. Step 2: Convert to fraction form
    7,829.91/11,739.29 = 3,667.64/x
  3. Step 3: Cross multiply
    7,829.91x = 11,739.29 × 3,667.64
  4. Step 4: Simplify right side
    7,829.91x = 43,055,412.54
  5. Step 5: Solve for x
    x = 43,055,412.54/7,829.91
  6. Step 6: Final answer
    x = 5,498.84

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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.