Home / 4,093.43-6,141.15-1,320.39

Finding the Fourth Proportional to 4,093.43, 6,141.15 and 1,320.39

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Solution

The fourth proportional to 4,093.43, 6,141.15 and 1,320.39 is: 1,980.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,093.43 : 6,141.15 = 1,320.39 : x
  2. Step 2: Convert to fraction form
    4,093.43/6,141.15 = 1,320.39/x
  3. Step 3: Cross multiply
    4,093.43x = 6,141.15 × 1,320.39
  4. Step 4: Simplify right side
    4,093.43x = 8,108,713.05
  5. Step 5: Solve for x
    x = 8,108,713.05/4,093.43
  6. Step 6: Final answer
    x = 1,980.91

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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.