Home / 4,005.56-5,530.88-2,662.44

Finding the Fourth Proportional to 4,005.56, 5,530.88 and 2,662.44

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Solution

The fourth proportional to 4,005.56, 5,530.88 and 2,662.44 is: 3,676.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005.56 : 5,530.88 = 2,662.44 : x
  2. Step 2: Convert to fraction form
    4,005.56/5,530.88 = 2,662.44/x
  3. Step 3: Cross multiply
    4,005.56x = 5,530.88 × 2,662.44
  4. Step 4: Simplify right side
    4,005.56x = 14,725,636.15
  5. Step 5: Solve for x
    x = 14,725,636.15/4,005.56
  6. Step 6: Final answer
    x = 3,676.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.