Home / 7,931.94-11,897.97-2,385.33

Finding the Fourth Proportional to 7,931.94, 11,897.97 and 2,385.33

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Solution

The fourth proportional to 7,931.94, 11,897.97 and 2,385.33 is: 3,578.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.94 : 11,897.97 = 2,385.33 : x
  2. Step 2: Convert to fraction form
    7,931.94/11,897.97 = 2,385.33/x
  3. Step 3: Cross multiply
    7,931.94x = 11,897.97 × 2,385.33
  4. Step 4: Simplify right side
    7,931.94x = 28,380,584.78
  5. Step 5: Solve for x
    x = 28,380,584.78/7,931.94
  6. Step 6: Final answer
    x = 3,578.01

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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.