Home / 4,093.94-6,141.78-1,320.77

Finding the Fourth Proportional to 4,093.94, 6,141.78 and 1,320.77

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Solution

The fourth proportional to 4,093.94, 6,141.78 and 1,320.77 is: 1,981.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,093.94 : 6,141.78 = 1,320.77 : x
  2. Step 2: Convert to fraction form
    4,093.94/6,141.78 = 1,320.77/x
  3. Step 3: Cross multiply
    4,093.94x = 6,141.78 × 1,320.77
  4. Step 4: Simplify right side
    4,093.94x = 8,111,848.06
  5. Step 5: Solve for x
    x = 8,111,848.06/4,093.94
  6. Step 6: Final answer
    x = 1,981.43

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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.