Home / 4,003.45-6,005.18-1,081.98

Finding the Fourth Proportional to 4,003.45, 6,005.18 and 1,081.98

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Solution

The fourth proportional to 4,003.45, 6,005.18 and 1,081.98 is: 1,622.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,003.45 : 6,005.18 = 1,081.98 : x
  2. Step 2: Convert to fraction form
    4,003.45/6,005.18 = 1,081.98/x
  3. Step 3: Cross multiply
    4,003.45x = 6,005.18 × 1,081.98
  4. Step 4: Simplify right side
    4,003.45x = 6,497,487.36
  5. Step 5: Solve for x
    x = 6,497,487.36/4,003.45
  6. Step 6: Final answer
    x = 1,622.97

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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.