Home / 5,105.36-7,052.57-3,941.39

Finding the Fourth Proportional to 5,105.36, 7,052.57 and 3,941.39

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Solution

The fourth proportional to 5,105.36, 7,052.57 and 3,941.39 is: 5,444.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105.36 : 7,052.57 = 3,941.39 : x
  2. Step 2: Convert to fraction form
    5,105.36/7,052.57 = 3,941.39/x
  3. Step 3: Cross multiply
    5,105.36x = 7,052.57 × 3,941.39
  4. Step 4: Simplify right side
    5,105.36x = 27,796,941.58
  5. Step 5: Solve for x
    x = 27,796,941.58/5,105.36
  6. Step 6: Final answer
    x = 5,444.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.