Home / 8,939.87-12,336.77-4,961.00

Finding the Fourth Proportional to 8,939.87, 12,336.77 and 4,961.00

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Solution

The fourth proportional to 8,939.87, 12,336.77 and 4,961.00 is: 6,846.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939.87 : 12,336.77 = 4,961.00 : x
  2. Step 2: Convert to fraction form
    8,939.87/12,336.77 = 4,961.00/x
  3. Step 3: Cross multiply
    8,939.87x = 12,336.77 × 4,961.00
  4. Step 4: Simplify right side
    8,939.87x = 61,202,629.48
  5. Step 5: Solve for x
    x = 61,202,629.48/8,939.87
  6. Step 6: Final answer
    x = 6,846.04

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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.