Home / 6,940.06-10,411.48-2,557.54

Finding the Fourth Proportional to 6,940.06, 10,411.48 and 2,557.54

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Solution

The fourth proportional to 6,940.06, 10,411.48 and 2,557.54 is: 3,836.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,940.06 : 10,411.48 = 2,557.54 : x
  2. Step 2: Convert to fraction form
    6,940.06/10,411.48 = 2,557.54/x
  3. Step 3: Cross multiply
    6,940.06x = 10,411.48 × 2,557.54
  4. Step 4: Simplify right side
    6,940.06x = 26,627,776.56
  5. Step 5: Solve for x
    x = 26,627,776.56/6,940.06
  6. Step 6: Final answer
    x = 3,836.82

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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.