Home / 8,021.12-12,022.44-3,088.28

Finding the Fourth Proportional to 8,021.12, 12,022.44 and 3,088.28

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Solution

The fourth proportional to 8,021.12, 12,022.44 and 3,088.28 is: 4,628.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.12 : 12,022.44 = 3,088.28 : x
  2. Step 2: Convert to fraction form
    8,021.12/12,022.44 = 3,088.28/x
  3. Step 3: Cross multiply
    8,021.12x = 12,022.44 × 3,088.28
  4. Step 4: Simplify right side
    8,021.12x = 37,128,661.00
  5. Step 5: Solve for x
    x = 37,128,661.00/8,021.12
  6. Step 6: Final answer
    x = 4,628.86

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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.