Home / 7,520.37-10,377.87-4,163.34

Finding the Fourth Proportional to 7,520.37, 10,377.87 and 4,163.34

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Solution

The fourth proportional to 7,520.37, 10,377.87 and 4,163.34 is: 5,745.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.37 : 10,377.87 = 4,163.34 : x
  2. Step 2: Convert to fraction form
    7,520.37/10,377.87 = 4,163.34/x
  3. Step 3: Cross multiply
    7,520.37x = 10,377.87 × 4,163.34
  4. Step 4: Simplify right side
    7,520.37x = 43,206,601.29
  5. Step 5: Solve for x
    x = 43,206,601.29/7,520.37
  6. Step 6: Final answer
    x = 5,745.28

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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.