Home / 7,745.96-11,619.06-2,812.52

Finding the Fourth Proportional to 7,745.96, 11,619.06 and 2,812.52

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Solution

The fourth proportional to 7,745.96, 11,619.06 and 2,812.52 is: 4,218.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.96 : 11,619.06 = 2,812.52 : x
  2. Step 2: Convert to fraction form
    7,745.96/11,619.06 = 2,812.52/x
  3. Step 3: Cross multiply
    7,745.96x = 11,619.06 × 2,812.52
  4. Step 4: Simplify right side
    7,745.96x = 32,678,838.63
  5. Step 5: Solve for x
    x = 32,678,838.63/7,745.96
  6. Step 6: Final answer
    x = 4,218.82

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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.