Home / 7,520.45-10,377.72-4,163.06

Finding the Fourth Proportional to 7,520.45, 10,377.72 and 4,163.06

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Solution

The fourth proportional to 7,520.45, 10,377.72 and 4,163.06 is: 5,744.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.45 : 10,377.72 = 4,163.06 : x
  2. Step 2: Convert to fraction form
    7,520.45/10,377.72 = 4,163.06/x
  3. Step 3: Cross multiply
    7,520.45x = 10,377.72 × 4,163.06
  4. Step 4: Simplify right side
    7,520.45x = 43,203,096.97
  5. Step 5: Solve for x
    x = 43,203,096.97/7,520.45
  6. Step 6: Final answer
    x = 5,744.75

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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.