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Finding the Fourth Proportional to 6,679.06, 10,020.02 and 1,999.43

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Solution

The fourth proportional to 6,679.06, 10,020.02 and 1,999.43 is: 2,999.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.06 : 10,020.02 = 1,999.43 : x
  2. Step 2: Convert to fraction form
    6,679.06/10,020.02 = 1,999.43/x
  3. Step 3: Cross multiply
    6,679.06x = 10,020.02 × 1,999.43
  4. Step 4: Simplify right side
    6,679.06x = 20,034,328.59
  5. Step 5: Solve for x
    x = 20,034,328.59/6,679.06
  6. Step 6: Final answer
    x = 2,999.57

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1.5x scale

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.