Home / 9,961.85-14,939.28-2,940.00

Finding the Fourth Proportional to 9,961.85, 14,939.28 and 2,940.00

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Solution

The fourth proportional to 9,961.85, 14,939.28 and 2,940.00 is: 4,408.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,961.85 : 14,939.28 = 2,940.00 : x
  2. Step 2: Convert to fraction form
    9,961.85/14,939.28 = 2,940.00/x
  3. Step 3: Cross multiply
    9,961.85x = 14,939.28 × 2,940.00
  4. Step 4: Simplify right side
    9,961.85x = 43,921,393.80
  5. Step 5: Solve for x
    x = 43,921,393.80/9,961.85
  6. Step 6: Final answer
    x = 4,408.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.