Home / 5,629.75-8,447.14-1,934.63

Finding the Fourth Proportional to 5,629.75, 8,447.14 and 1,934.63

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Solution

The fourth proportional to 5,629.75, 8,447.14 and 1,934.63 is: 2,902.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.75 : 8,447.14 = 1,934.63 : x
  2. Step 2: Convert to fraction form
    5,629.75/8,447.14 = 1,934.63/x
  3. Step 3: Cross multiply
    5,629.75x = 8,447.14 × 1,934.63
  4. Step 4: Simplify right side
    5,629.75x = 16,342,118.95
  5. Step 5: Solve for x
    x = 16,342,118.95/5,629.75
  6. Step 6: Final answer
    x = 2,902.81

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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.