Home / 8,629.67-12,933.68-3,693.51

Finding the Fourth Proportional to 8,629.67, 12,933.68 and 3,693.51

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Solution

The fourth proportional to 8,629.67, 12,933.68 and 3,693.51 is: 5,535.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629.67 : 12,933.68 = 3,693.51 : x
  2. Step 2: Convert to fraction form
    8,629.67/12,933.68 = 3,693.51/x
  3. Step 3: Cross multiply
    8,629.67x = 12,933.68 × 3,693.51
  4. Step 4: Simplify right side
    8,629.67x = 47,770,657.95
  5. Step 5: Solve for x
    x = 47,770,657.95/8,629.67
  6. Step 6: Final answer
    x = 5,535.63

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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.