Home / 8,021.36-12,033.86-3,640.07

Finding the Fourth Proportional to 8,021.36, 12,033.86 and 3,640.07

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Solution

The fourth proportional to 8,021.36, 12,033.86 and 3,640.07 is: 5,460.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.36 : 12,033.86 = 3,640.07 : x
  2. Step 2: Convert to fraction form
    8,021.36/12,033.86 = 3,640.07/x
  3. Step 3: Cross multiply
    8,021.36x = 12,033.86 × 3,640.07
  4. Step 4: Simplify right side
    8,021.36x = 43,804,092.77
  5. Step 5: Solve for x
    x = 43,804,092.77/8,021.36
  6. Step 6: Final answer
    x = 5,460.93

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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.