Home / 5,163.69-7,745.40-1,876.85

Finding the Fourth Proportional to 5,163.69, 7,745.40 and 1,876.85

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Solution

The fourth proportional to 5,163.69, 7,745.40 and 1,876.85 is: 2,815.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.69 : 7,745.40 = 1,876.85 : x
  2. Step 2: Convert to fraction form
    5,163.69/7,745.40 = 1,876.85/x
  3. Step 3: Cross multiply
    5,163.69x = 7,745.40 × 1,876.85
  4. Step 4: Simplify right side
    5,163.69x = 14,536,915.26
  5. Step 5: Solve for x
    x = 14,536,915.26/5,163.69
  6. Step 6: Final answer
    x = 2,815.22

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1.5x scale

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.