Home / 6,912.66-10,369.03-1,718.54

Finding the Fourth Proportional to 6,912.66, 10,369.03 and 1,718.54

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Solution

The fourth proportional to 6,912.66, 10,369.03 and 1,718.54 is: 2,577.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.66 : 10,369.03 = 1,718.54 : x
  2. Step 2: Convert to fraction form
    6,912.66/10,369.03 = 1,718.54/x
  3. Step 3: Cross multiply
    6,912.66x = 10,369.03 × 1,718.54
  4. Step 4: Simplify right side
    6,912.66x = 17,819,565.78
  5. Step 5: Solve for x
    x = 17,819,565.78/6,912.66
  6. Step 6: Final answer
    x = 2,577.82

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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.