Home / 7,344.78-11,018.52-2,415.80

Finding the Fourth Proportional to 7,344.78, 11,018.52 and 2,415.80

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Solution

The fourth proportional to 7,344.78, 11,018.52 and 2,415.80 is: 3,624.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,344.78 : 11,018.52 = 2,415.80 : x
  2. Step 2: Convert to fraction form
    7,344.78/11,018.52 = 2,415.80/x
  3. Step 3: Cross multiply
    7,344.78x = 11,018.52 × 2,415.80
  4. Step 4: Simplify right side
    7,344.78x = 26,618,540.62
  5. Step 5: Solve for x
    x = 26,618,540.62/7,344.78
  6. Step 6: Final answer
    x = 3,624.14

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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.