Home / 7,418.45-11,119.92-2,484.03

Finding the Fourth Proportional to 7,418.45, 11,119.92 and 2,484.03

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Solution

The fourth proportional to 7,418.45, 11,119.92 and 2,484.03 is: 3,723.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.45 : 11,119.92 = 2,484.03 : x
  2. Step 2: Convert to fraction form
    7,418.45/11,119.92 = 2,484.03/x
  3. Step 3: Cross multiply
    7,418.45x = 11,119.92 × 2,484.03
  4. Step 4: Simplify right side
    7,418.45x = 27,622,214.88
  5. Step 5: Solve for x
    x = 27,622,214.88/7,418.45
  6. Step 6: Final answer
    x = 3,723.45

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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.