Home / 7,450.45-10,286.43-4,620.82

Finding the Fourth Proportional to 7,450.45, 10,286.43 and 4,620.82

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Solution

The fourth proportional to 7,450.45, 10,286.43 and 4,620.82 is: 6,379.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.45 : 10,286.43 = 4,620.82 : x
  2. Step 2: Convert to fraction form
    7,450.45/10,286.43 = 4,620.82/x
  3. Step 3: Cross multiply
    7,450.45x = 10,286.43 × 4,620.82
  4. Step 4: Simplify right side
    7,450.45x = 47,531,741.47
  5. Step 5: Solve for x
    x = 47,531,741.47/7,450.45
  6. Step 6: Final answer
    x = 6,379.71

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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.