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Finding the Fourth Proportional to 8,021.79, 12,032.15 and 2,826.99

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Solution

The fourth proportional to 8,021.79, 12,032.15 and 2,826.99 is: 4,240.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.79 : 12,032.15 = 2,826.99 : x
  2. Step 2: Convert to fraction form
    8,021.79/12,032.15 = 2,826.99/x
  3. Step 3: Cross multiply
    8,021.79x = 12,032.15 × 2,826.99
  4. Step 4: Simplify right side
    8,021.79x = 34,014,753.59
  5. Step 5: Solve for x
    x = 34,014,753.59/8,021.79
  6. Step 6: Final answer
    x = 4,240.29

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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.