Home / 8,636.09-11,917.26-4,858.79

Finding the Fourth Proportional to 8,636.09, 11,917.26 and 4,858.79

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Solution

The fourth proportional to 8,636.09, 11,917.26 and 4,858.79 is: 6,704.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,636.09 : 11,917.26 = 4,858.79 : x
  2. Step 2: Convert to fraction form
    8,636.09/11,917.26 = 4,858.79/x
  3. Step 3: Cross multiply
    8,636.09x = 11,917.26 × 4,858.79
  4. Step 4: Simplify right side
    8,636.09x = 57,903,404.13
  5. Step 5: Solve for x
    x = 57,903,404.13/8,636.09
  6. Step 6: Final answer
    x = 6,704.82

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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.