Home / 8,209.05-11,327.45-4,624.09

Finding the Fourth Proportional to 8,209.05, 11,327.45 and 4,624.09

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Solution

The fourth proportional to 8,209.05, 11,327.45 and 4,624.09 is: 6,380.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209.05 : 11,327.45 = 4,624.09 : x
  2. Step 2: Convert to fraction form
    8,209.05/11,327.45 = 4,624.09/x
  3. Step 3: Cross multiply
    8,209.05x = 11,327.45 × 4,624.09
  4. Step 4: Simplify right side
    8,209.05x = 52,379,096.83
  5. Step 5: Solve for x
    x = 52,379,096.83/8,209.05
  6. Step 6: Final answer
    x = 6,380.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.