Home / 7,307.85-10,083.78-4,163.97

Finding the Fourth Proportional to 7,307.85, 10,083.78 and 4,163.97

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Solution

The fourth proportional to 7,307.85, 10,083.78 and 4,163.97 is: 5,745.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,307.85 : 10,083.78 = 4,163.97 : x
  2. Step 2: Convert to fraction form
    7,307.85/10,083.78 = 4,163.97/x
  3. Step 3: Cross multiply
    7,307.85x = 10,083.78 × 4,163.97
  4. Step 4: Simplify right side
    7,307.85x = 41,988,557.41
  5. Step 5: Solve for x
    x = 41,988,557.41/7,307.85
  6. Step 6: Final answer
    x = 5,745.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.