Home / 4,186.23-6,279.48-1,993.83

Finding the Fourth Proportional to 4,186.23, 6,279.48 and 1,993.83

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Solution

The fourth proportional to 4,186.23, 6,279.48 and 1,993.83 is: 2,990.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.23 : 6,279.48 = 1,993.83 : x
  2. Step 2: Convert to fraction form
    4,186.23/6,279.48 = 1,993.83/x
  3. Step 3: Cross multiply
    4,186.23x = 6,279.48 × 1,993.83
  4. Step 4: Simplify right side
    4,186.23x = 12,520,215.61
  5. Step 5: Solve for x
    x = 12,520,215.61/4,186.23
  6. Step 6: Final answer
    x = 2,990.81

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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.