Home / 7,825.21-11,730.42-2,627.44

Finding the Fourth Proportional to 7,825.21, 11,730.42 and 2,627.44

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Solution

The fourth proportional to 7,825.21, 11,730.42 and 2,627.44 is: 3,938.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.21 : 11,730.42 = 2,627.44 : x
  2. Step 2: Convert to fraction form
    7,825.21/11,730.42 = 2,627.44/x
  3. Step 3: Cross multiply
    7,825.21x = 11,730.42 × 2,627.44
  4. Step 4: Simplify right side
    7,825.21x = 30,820,945.40
  5. Step 5: Solve for x
    x = 30,820,945.40/7,825.21
  6. Step 6: Final answer
    x = 3,938.67

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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.