Home / 8,022.88-12,036.12-2,828.80

Finding the Fourth Proportional to 8,022.88, 12,036.12 and 2,828.80

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Solution

The fourth proportional to 8,022.88, 12,036.12 and 2,828.80 is: 4,243.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,022.88 : 12,036.12 = 2,828.80 : x
  2. Step 2: Convert to fraction form
    8,022.88/12,036.12 = 2,828.80/x
  3. Step 3: Cross multiply
    8,022.88x = 12,036.12 × 2,828.80
  4. Step 4: Simplify right side
    8,022.88x = 34,047,776.26
  5. Step 5: Solve for x
    x = 34,047,776.26/8,022.88
  6. Step 6: Final answer
    x = 4,243.83

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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.