Home / 7,418.44-11,133.18-3,719.68

Finding the Fourth Proportional to 7,418.44, 11,133.18 and 3,719.68

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Solution

The fourth proportional to 7,418.44, 11,133.18 and 3,719.68 is: 5,582.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.44 : 11,133.18 = 3,719.68 : x
  2. Step 2: Convert to fraction form
    7,418.44/11,133.18 = 3,719.68/x
  3. Step 3: Cross multiply
    7,418.44x = 11,133.18 × 3,719.68
  4. Step 4: Simplify right side
    7,418.44x = 41,411,866.98
  5. Step 5: Solve for x
    x = 41,411,866.98/7,418.44
  6. Step 6: Final answer
    x = 5,582.29

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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.