Home / 6,738.30-10,102.78-2,988.03

Finding the Fourth Proportional to 6,738.30, 10,102.78 and 2,988.03

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Solution

The fourth proportional to 6,738.30, 10,102.78 and 2,988.03 is: 4,479.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,738.30 : 10,102.78 = 2,988.03 : x
  2. Step 2: Convert to fraction form
    6,738.30/10,102.78 = 2,988.03/x
  3. Step 3: Cross multiply
    6,738.30x = 10,102.78 × 2,988.03
  4. Step 4: Simplify right side
    6,738.30x = 30,187,409.72
  5. Step 5: Solve for x
    x = 30,187,409.72/6,738.30
  6. Step 6: Final answer
    x = 4,479.97

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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.