Home / 4,270.80-6,404.24-1,804.26

Finding the Fourth Proportional to 4,270.80, 6,404.24 and 1,804.26

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Solution

The fourth proportional to 4,270.80, 6,404.24 and 1,804.26 is: 2,705.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.80 : 6,404.24 = 1,804.26 : x
  2. Step 2: Convert to fraction form
    4,270.80/6,404.24 = 1,804.26/x
  3. Step 3: Cross multiply
    4,270.80x = 6,404.24 × 1,804.26
  4. Step 4: Simplify right side
    4,270.80x = 11,554,914.06
  5. Step 5: Solve for x
    x = 11,554,914.06/4,270.80
  6. Step 6: Final answer
    x = 2,705.56

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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.