Home / 4,003.36-6,005.04-1,081.72

Finding the Fourth Proportional to 4,003.36, 6,005.04 and 1,081.72

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Solution

The fourth proportional to 4,003.36, 6,005.04 and 1,081.72 is: 1,622.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,003.36 : 6,005.04 = 1,081.72 : x
  2. Step 2: Convert to fraction form
    4,003.36/6,005.04 = 1,081.72/x
  3. Step 3: Cross multiply
    4,003.36x = 6,005.04 × 1,081.72
  4. Step 4: Simplify right side
    4,003.36x = 6,495,771.87
  5. Step 5: Solve for x
    x = 6,495,771.87/4,003.36
  6. Step 6: Final answer
    x = 1,622.58

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Similar ratio
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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.