Home / 6,912.23-10,360.13-3,984.48

Finding the Fourth Proportional to 6,912.23, 10,360.13 and 3,984.48

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Solution

The fourth proportional to 6,912.23, 10,360.13 and 3,984.48 is: 5,971.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.23 : 10,360.13 = 3,984.48 : x
  2. Step 2: Convert to fraction form
    6,912.23/10,360.13 = 3,984.48/x
  3. Step 3: Cross multiply
    6,912.23x = 10,360.13 × 3,984.48
  4. Step 4: Simplify right side
    6,912.23x = 41,279,740.74
  5. Step 5: Solve for x
    x = 41,279,740.74/6,912.23
  6. Step 6: Final answer
    x = 5,971.99

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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.