Home / 8,021.16-12,032.35-2,177.75

Finding the Fourth Proportional to 8,021.16, 12,032.35 and 2,177.75

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Solution

The fourth proportional to 8,021.16, 12,032.35 and 2,177.75 is: 3,266.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.16 : 12,032.35 = 2,177.75 : x
  2. Step 2: Convert to fraction form
    8,021.16/12,032.35 = 2,177.75/x
  3. Step 3: Cross multiply
    8,021.16x = 12,032.35 × 2,177.75
  4. Step 4: Simplify right side
    8,021.16x = 26,203,474.85
  5. Step 5: Solve for x
    x = 26,203,474.85/8,021.16
  6. Step 6: Final answer
    x = 3,266.79

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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.