Home / 7,829.28-11,745.68-2,635

Finding the Fourth Proportional to 7,829.28, 11,745.68 and 2,635

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Solution

The fourth proportional to 7,829.28, 11,745.68 and 2,635 is: 3,953.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.28 : 11,745.68 = 2,635 : x
  2. Step 2: Convert to fraction form
    7,829.28/11,745.68 = 2,635/x
  3. Step 3: Cross multiply
    7,829.28x = 11,745.68 × 2,635
  4. Step 4: Simplify right side
    7,829.28x = 30,949,866.80
  5. Step 5: Solve for x
    x = 30,949,866.80/7,829.28
  6. Step 6: Final answer
    x = 3,953.09

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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.