Home / 8,771.37-12,104.79-4,995.09

Finding the Fourth Proportional to 8,771.37, 12,104.79 and 4,995.09

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Solution

The fourth proportional to 8,771.37, 12,104.79 and 4,995.09 is: 6,893.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771.37 : 12,104.79 = 4,995.09 : x
  2. Step 2: Convert to fraction form
    8,771.37/12,104.79 = 4,995.09/x
  3. Step 3: Cross multiply
    8,771.37x = 12,104.79 × 4,995.09
  4. Step 4: Simplify right side
    8,771.37x = 60,464,515.48
  5. Step 5: Solve for x
    x = 60,464,515.48/8,771.37
  6. Step 6: Final answer
    x = 6,893.39

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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.