Home / 8,648.19-12,974.11-2,804.34

Finding the Fourth Proportional to 8,648.19, 12,974.11 and 2,804.34

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Solution

The fourth proportional to 8,648.19, 12,974.11 and 2,804.34 is: 4,207.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,648.19 : 12,974.11 = 2,804.34 : x
  2. Step 2: Convert to fraction form
    8,648.19/12,974.11 = 2,804.34/x
  3. Step 3: Cross multiply
    8,648.19x = 12,974.11 × 2,804.34
  4. Step 4: Simplify right side
    8,648.19x = 36,383,857.28
  5. Step 5: Solve for x
    x = 36,383,857.28/8,648.19
  6. Step 6: Final answer
    x = 4,207.11

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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.