Home / 8,336.42-12,486.99-5,406.02

Finding the Fourth Proportional to 8,336.42, 12,486.99 and 5,406.02

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Solution

The fourth proportional to 8,336.42, 12,486.99 and 5,406.02 is: 8,097.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,336.42 : 12,486.99 = 5,406.02 : x
  2. Step 2: Convert to fraction form
    8,336.42/12,486.99 = 5,406.02/x
  3. Step 3: Cross multiply
    8,336.42x = 12,486.99 × 5,406.02
  4. Step 4: Simplify right side
    8,336.42x = 67,504,917.68
  5. Step 5: Solve for x
    x = 67,504,917.68/8,336.42
  6. Step 6: Final answer
    x = 8,097.59

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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.