Home / 7,939.98-11,906.13-2,392.29

Finding the Fourth Proportional to 7,939.98, 11,906.13 and 2,392.29

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Solution

The fourth proportional to 7,939.98, 11,906.13 and 2,392.29 is: 3,587.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.98 : 11,906.13 = 2,392.29 : x
  2. Step 2: Convert to fraction form
    7,939.98/11,906.13 = 2,392.29/x
  3. Step 3: Cross multiply
    7,939.98x = 11,906.13 × 2,392.29
  4. Step 4: Simplify right side
    7,939.98x = 28,482,915.74
  5. Step 5: Solve for x
    x = 28,482,915.74/7,939.98
  6. Step 6: Final answer
    x = 3,587.28

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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.