Home / 8,205.45-12,308.83-4,043.19

Finding the Fourth Proportional to 8,205.45, 12,308.83 and 4,043.19

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Solution

The fourth proportional to 8,205.45, 12,308.83 and 4,043.19 is: 6,065.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205.45 : 12,308.83 = 4,043.19 : x
  2. Step 2: Convert to fraction form
    8,205.45/12,308.83 = 4,043.19/x
  3. Step 3: Cross multiply
    8,205.45x = 12,308.83 × 4,043.19
  4. Step 4: Simplify right side
    8,205.45x = 49,766,938.37
  5. Step 5: Solve for x
    x = 49,766,938.37/8,205.45
  6. Step 6: Final answer
    x = 6,065.11

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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.