Home / 7,163.29-10,745.43-2,999.09

Finding the Fourth Proportional to 7,163.29, 10,745.43 and 2,999.09

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Solution

The fourth proportional to 7,163.29, 10,745.43 and 2,999.09 is: 4,498.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163.29 : 10,745.43 = 2,999.09 : x
  2. Step 2: Convert to fraction form
    7,163.29/10,745.43 = 2,999.09/x
  3. Step 3: Cross multiply
    7,163.29x = 10,745.43 × 2,999.09
  4. Step 4: Simplify right side
    7,163.29x = 32,226,511.66
  5. Step 5: Solve for x
    x = 32,226,511.66/7,163.29
  6. Step 6: Final answer
    x = 4,498.85

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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.