Home / 7,629.41-11,448.93-3,246.86

Finding the Fourth Proportional to 7,629.41, 11,448.93 and 3,246.86

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Solution

The fourth proportional to 7,629.41, 11,448.93 and 3,246.86 is: 4,872.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.41 : 11,448.93 = 3,246.86 : x
  2. Step 2: Convert to fraction form
    7,629.41/11,448.93 = 3,246.86/x
  3. Step 3: Cross multiply
    7,629.41x = 11,448.93 × 3,246.86
  4. Step 4: Simplify right side
    7,629.41x = 37,173,072.86
  5. Step 5: Solve for x
    x = 37,173,072.86/7,629.41
  6. Step 6: Final answer
    x = 4,872.34

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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.