Home / 7,749.81-11,625.93-3,067.47

Finding the Fourth Proportional to 7,749.81, 11,625.93 and 3,067.47

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Solution

The fourth proportional to 7,749.81, 11,625.93 and 3,067.47 is: 4,601.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749.81 : 11,625.93 = 3,067.47 : x
  2. Step 2: Convert to fraction form
    7,749.81/11,625.93 = 3,067.47/x
  3. Step 3: Cross multiply
    7,749.81x = 11,625.93 × 3,067.47
  4. Step 4: Simplify right side
    7,749.81x = 35,662,191.50
  5. Step 5: Solve for x
    x = 35,662,191.50/7,749.81
  6. Step 6: Final answer
    x = 4,601.69

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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.