Home / 8,021.98-12,032.94-2,178.58

Finding the Fourth Proportional to 8,021.98, 12,032.94 and 2,178.58

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Solution

The fourth proportional to 8,021.98, 12,032.94 and 2,178.58 is: 3,267.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.98 : 12,032.94 = 2,178.58 : x
  2. Step 2: Convert to fraction form
    8,021.98/12,032.94 = 2,178.58/x
  3. Step 3: Cross multiply
    8,021.98x = 12,032.94 × 2,178.58
  4. Step 4: Simplify right side
    8,021.98x = 26,214,722.43
  5. Step 5: Solve for x
    x = 26,214,722.43/8,021.98
  6. Step 6: Final answer
    x = 3,267.86

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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.