Home / 7,622.80-11,453.40-4,850.80

Finding the Fourth Proportional to 7,622.80, 11,453.40 and 4,850.80

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Solution

The fourth proportional to 7,622.80, 11,453.40 and 4,850.80 is: 7,288.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.80 : 11,453.40 = 4,850.80 : x
  2. Step 2: Convert to fraction form
    7,622.80/11,453.40 = 4,850.80/x
  3. Step 3: Cross multiply
    7,622.80x = 11,453.40 × 4,850.80
  4. Step 4: Simplify right side
    7,622.80x = 55,558,152.72
  5. Step 5: Solve for x
    x = 55,558,152.72/7,622.80
  6. Step 6: Final answer
    x = 7,288.42

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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.