Home / 8,729.88-12,047.60-5,004.60

Finding the Fourth Proportional to 8,729.88, 12,047.60 and 5,004.60

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Solution

The fourth proportional to 8,729.88, 12,047.60 and 5,004.60 is: 6,906.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.88 : 12,047.60 = 5,004.60 : x
  2. Step 2: Convert to fraction form
    8,729.88/12,047.60 = 5,004.60/x
  3. Step 3: Cross multiply
    8,729.88x = 12,047.60 × 5,004.60
  4. Step 4: Simplify right side
    8,729.88x = 60,293,418.96
  5. Step 5: Solve for x
    x = 60,293,418.96/8,729.88
  6. Step 6: Final answer
    x = 6,906.56

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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.