Home / 7,408.43-11,111.79-2,968.01

Finding the Fourth Proportional to 7,408.43, 11,111.79 and 2,968.01

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Solution

The fourth proportional to 7,408.43, 11,111.79 and 2,968.01 is: 4,451.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.43 : 11,111.79 = 2,968.01 : x
  2. Step 2: Convert to fraction form
    7,408.43/11,111.79 = 2,968.01/x
  3. Step 3: Cross multiply
    7,408.43x = 11,111.79 × 2,968.01
  4. Step 4: Simplify right side
    7,408.43x = 32,979,903.84
  5. Step 5: Solve for x
    x = 32,979,903.84/7,408.43
  6. Step 6: Final answer
    x = 4,451.67

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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.