Home / 7,936.61-11,906.75-2,671.49

Finding the Fourth Proportional to 7,936.61, 11,906.75 and 2,671.49

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Solution

The fourth proportional to 7,936.61, 11,906.75 and 2,671.49 is: 4,007.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.61 : 11,906.75 = 2,671.49 : x
  2. Step 2: Convert to fraction form
    7,936.61/11,906.75 = 2,671.49/x
  3. Step 3: Cross multiply
    7,936.61x = 11,906.75 × 2,671.49
  4. Step 4: Simplify right side
    7,936.61x = 31,808,690.67
  5. Step 5: Solve for x
    x = 31,808,690.67/7,936.61
  6. Step 6: Final answer
    x = 4,007.85

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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.