Home / 4,415.72-6,615.96-2,680.64

Finding the Fourth Proportional to 4,415.72, 6,615.96 and 2,680.64

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Solution

The fourth proportional to 4,415.72, 6,615.96 and 2,680.64 is: 4,016.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,415.72 : 6,615.96 = 2,680.64 : x
  2. Step 2: Convert to fraction form
    4,415.72/6,615.96 = 2,680.64/x
  3. Step 3: Cross multiply
    4,415.72x = 6,615.96 × 2,680.64
  4. Step 4: Simplify right side
    4,415.72x = 17,735,007.01
  5. Step 5: Solve for x
    x = 17,735,007.01/4,415.72
  6. Step 6: Final answer
    x = 4,016.33

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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.