Home / 8,021.43-12,032.28-2,177.89

Finding the Fourth Proportional to 8,021.43, 12,032.28 and 2,177.89

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Solution

The fourth proportional to 8,021.43, 12,032.28 and 2,177.89 is: 3,266.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.43 : 12,032.28 = 2,177.89 : x
  2. Step 2: Convert to fraction form
    8,021.43/12,032.28 = 2,177.89/x
  3. Step 3: Cross multiply
    8,021.43x = 12,032.28 × 2,177.89
  4. Step 4: Simplify right side
    8,021.43x = 26,204,952.21
  5. Step 5: Solve for x
    x = 26,204,952.21/8,021.43
  6. Step 6: Final answer
    x = 3,266.87

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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.