Home / 8,299.78-11,448.66-4,940.35

Finding the Fourth Proportional to 8,299.78, 11,448.66 and 4,940.35

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Solution

The fourth proportional to 8,299.78, 11,448.66 and 4,940.35 is: 6,814.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,299.78 : 11,448.66 = 4,940.35 : x
  2. Step 2: Convert to fraction form
    8,299.78/11,448.66 = 4,940.35/x
  3. Step 3: Cross multiply
    8,299.78x = 11,448.66 × 4,940.35
  4. Step 4: Simplify right side
    8,299.78x = 56,560,387.43
  5. Step 5: Solve for x
    x = 56,560,387.43/8,299.78
  6. Step 6: Final answer
    x = 6,814.69

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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.