Home / 8,199.98-12,289.08-3,266.91

Finding the Fourth Proportional to 8,199.98, 12,289.08 and 3,266.91

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Solution

The fourth proportional to 8,199.98, 12,289.08 and 3,266.91 is: 4,896.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199.98 : 12,289.08 = 3,266.91 : x
  2. Step 2: Convert to fraction form
    8,199.98/12,289.08 = 3,266.91/x
  3. Step 3: Cross multiply
    8,199.98x = 12,289.08 × 3,266.91
  4. Step 4: Simplify right side
    8,199.98x = 40,147,318.34
  5. Step 5: Solve for x
    x = 40,147,318.34/8,199.98
  6. Step 6: Final answer
    x = 4,896.02

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1.5x scale

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.