Home / 4,003.56-6,005.61-1,081.80

Finding the Fourth Proportional to 4,003.56, 6,005.61 and 1,081.80

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Solution

The fourth proportional to 4,003.56, 6,005.61 and 1,081.80 is: 1,622.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,003.56 : 6,005.61 = 1,081.80 : x
  2. Step 2: Convert to fraction form
    4,003.56/6,005.61 = 1,081.80/x
  3. Step 3: Cross multiply
    4,003.56x = 6,005.61 × 1,081.80
  4. Step 4: Simplify right side
    4,003.56x = 6,496,868.90
  5. Step 5: Solve for x
    x = 6,496,868.90/4,003.56
  6. Step 6: Final answer
    x = 1,622.77

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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.