Home / 8,939.66-12,336.86-4,961.03

Finding the Fourth Proportional to 8,939.66, 12,336.86 and 4,961.03

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Solution

The fourth proportional to 8,939.66, 12,336.86 and 4,961.03 is: 6,846.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939.66 : 12,336.86 = 4,961.03 : x
  2. Step 2: Convert to fraction form
    8,939.66/12,336.86 = 4,961.03/x
  3. Step 3: Cross multiply
    8,939.66x = 12,336.86 × 4,961.03
  4. Step 4: Simplify right side
    8,939.66x = 61,203,538.85
  5. Step 5: Solve for x
    x = 61,203,538.85/8,939.66
  6. Step 6: Final answer
    x = 6,846.29

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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.