Home / 8,636.27-11,918.43-5,099.49

Finding the Fourth Proportional to 8,636.27, 11,918.43 and 5,099.49

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Solution

The fourth proportional to 8,636.27, 11,918.43 and 5,099.49 is: 7,037.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,636.27 : 11,918.43 = 5,099.49 : x
  2. Step 2: Convert to fraction form
    8,636.27/11,918.43 = 5,099.49/x
  3. Step 3: Cross multiply
    8,636.27x = 11,918.43 × 5,099.49
  4. Step 4: Simplify right side
    8,636.27x = 60,777,914.60
  5. Step 5: Solve for x
    x = 60,777,914.60/8,636.27
  6. Step 6: Final answer
    x = 7,037.52

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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.