Home / 7,525.05-10,379.43-5,163.09

Finding the Fourth Proportional to 7,525.05, 10,379.43 and 5,163.09

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Solution

The fourth proportional to 7,525.05, 10,379.43 and 5,163.09 is: 7,121.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,525.05 : 10,379.43 = 5,163.09 : x
  2. Step 2: Convert to fraction form
    7,525.05/10,379.43 = 5,163.09/x
  3. Step 3: Cross multiply
    7,525.05x = 10,379.43 × 5,163.09
  4. Step 4: Simplify right side
    7,525.05x = 53,589,931.24
  5. Step 5: Solve for x
    x = 53,589,931.24/7,525.05
  6. Step 6: Final answer
    x = 7,121.54

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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.