Home / 7,408.44-11,111.79-2,968.02

Finding the Fourth Proportional to 7,408.44, 11,111.79 and 2,968.02

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Solution

The fourth proportional to 7,408.44, 11,111.79 and 2,968.02 is: 4,451.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.44 : 11,111.79 = 2,968.02 : x
  2. Step 2: Convert to fraction form
    7,408.44/11,111.79 = 2,968.02/x
  3. Step 3: Cross multiply
    7,408.44x = 11,111.79 × 2,968.02
  4. Step 4: Simplify right side
    7,408.44x = 32,980,014.96
  5. Step 5: Solve for x
    x = 32,980,014.96/7,408.44
  6. Step 6: Final answer
    x = 4,451.68

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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.