Home / 8,021.25-12,036.74-3,404.25

Finding the Fourth Proportional to 8,021.25, 12,036.74 and 3,404.25

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Solution

The fourth proportional to 8,021.25, 12,036.74 and 3,404.25 is: 5,108.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.25 : 12,036.74 = 3,404.25 : x
  2. Step 2: Convert to fraction form
    8,021.25/12,036.74 = 3,404.25/x
  3. Step 3: Cross multiply
    8,021.25x = 12,036.74 × 3,404.25
  4. Step 4: Simplify right side
    8,021.25x = 40,976,055.12
  5. Step 5: Solve for x
    x = 40,976,055.12/8,021.25
  6. Step 6: Final answer
    x = 5,108.44

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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.