Home / 8,254.09-12,383.20-3,866.43

Finding the Fourth Proportional to 8,254.09, 12,383.20 and 3,866.43

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Solution

The fourth proportional to 8,254.09, 12,383.20 and 3,866.43 is: 5,800.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.09 : 12,383.20 = 3,866.43 : x
  2. Step 2: Convert to fraction form
    8,254.09/12,383.20 = 3,866.43/x
  3. Step 3: Cross multiply
    8,254.09x = 12,383.20 × 3,866.43
  4. Step 4: Simplify right side
    8,254.09x = 47,878,775.98
  5. Step 5: Solve for x
    x = 47,878,775.98/8,254.09
  6. Step 6: Final answer
    x = 5,800.62

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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.