Home / 7,939.98-11,910.51-2,392.83

Finding the Fourth Proportional to 7,939.98, 11,910.51 and 2,392.83

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Solution

The fourth proportional to 7,939.98, 11,910.51 and 2,392.83 is: 3,589.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.98 : 11,910.51 = 2,392.83 : x
  2. Step 2: Convert to fraction form
    7,939.98/11,910.51 = 2,392.83/x
  3. Step 3: Cross multiply
    7,939.98x = 11,910.51 × 2,392.83
  4. Step 4: Simplify right side
    7,939.98x = 28,499,825.64
  5. Step 5: Solve for x
    x = 28,499,825.64/7,939.98
  6. Step 6: Final answer
    x = 3,589.41

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1.5x scale

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.