Home / 7,939.32-11,910.84-2,392.44

Finding the Fourth Proportional to 7,939.32, 11,910.84 and 2,392.44

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Solution

The fourth proportional to 7,939.32, 11,910.84 and 2,392.44 is: 3,589.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.32 : 11,910.84 = 2,392.44 : x
  2. Step 2: Convert to fraction form
    7,939.32/11,910.84 = 2,392.44/x
  3. Step 3: Cross multiply
    7,939.32x = 11,910.84 × 2,392.44
  4. Step 4: Simplify right side
    7,939.32x = 28,495,970.05
  5. Step 5: Solve for x
    x = 28,495,970.05/7,939.32
  6. Step 6: Final answer
    x = 3,589.22

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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.