Home / 6,158.85-9,239.74-1,998.87

Finding the Fourth Proportional to 6,158.85, 9,239.74 and 1,998.87

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Solution

The fourth proportional to 6,158.85, 9,239.74 and 1,998.87 is: 2,998.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,158.85 : 9,239.74 = 1,998.87 : x
  2. Step 2: Convert to fraction form
    6,158.85/9,239.74 = 1,998.87/x
  3. Step 3: Cross multiply
    6,158.85x = 9,239.74 × 1,998.87
  4. Step 4: Simplify right side
    6,158.85x = 18,469,034.10
  5. Step 5: Solve for x
    x = 18,469,034.10/6,158.85
  6. Step 6: Final answer
    x = 2,998.78

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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.