Home / 8,206.15-12,311.58-4,047.43

Finding the Fourth Proportional to 8,206.15, 12,311.58 and 4,047.43

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Solution

The fourth proportional to 8,206.15, 12,311.58 and 4,047.43 is: 6,072.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,206.15 : 12,311.58 = 4,047.43 : x
  2. Step 2: Convert to fraction form
    8,206.15/12,311.58 = 4,047.43/x
  3. Step 3: Cross multiply
    8,206.15x = 12,311.58 × 4,047.43
  4. Step 4: Simplify right side
    8,206.15x = 49,830,196.68
  5. Step 5: Solve for x
    x = 49,830,196.68/8,206.15
  6. Step 6: Final answer
    x = 6,072.30

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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.