Home / 4,485-6,189.66-2,622.36

Finding the Fourth Proportional to 4,485, 6,189.66 and 2,622.36

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Solution

The fourth proportional to 4,485, 6,189.66 and 2,622.36 is: 3,619.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485 : 6,189.66 = 2,622.36 : x
  2. Step 2: Convert to fraction form
    4,485/6,189.66 = 2,622.36/x
  3. Step 3: Cross multiply
    4,485x = 6,189.66 × 2,622.36
  4. Step 4: Simplify right side
    4,485x = 16,231,516.80
  5. Step 5: Solve for x
    x = 16,231,516.80/4,485
  6. Step 6: Final answer
    x = 3,619.07

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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.