Home / 6,679.56-10,020.77-1,999.93

Finding the Fourth Proportional to 6,679.56, 10,020.77 and 1,999.93

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Solution

The fourth proportional to 6,679.56, 10,020.77 and 1,999.93 is: 3,000.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.56 : 10,020.77 = 1,999.93 : x
  2. Step 2: Convert to fraction form
    6,679.56/10,020.77 = 1,999.93/x
  3. Step 3: Cross multiply
    6,679.56x = 10,020.77 × 1,999.93
  4. Step 4: Simplify right side
    6,679.56x = 20,040,838.55
  5. Step 5: Solve for x
    x = 20,040,838.55/6,679.56
  6. Step 6: Final answer
    x = 3,000.32

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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.