Home / 6,638.36-9,958.96-2,255.72

Finding the Fourth Proportional to 6,638.36, 9,958.96 and 2,255.72

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Solution

The fourth proportional to 6,638.36, 9,958.96 and 2,255.72 is: 3,384.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638.36 : 9,958.96 = 2,255.72 : x
  2. Step 2: Convert to fraction form
    6,638.36/9,958.96 = 2,255.72/x
  3. Step 3: Cross multiply
    6,638.36x = 9,958.96 × 2,255.72
  4. Step 4: Simplify right side
    6,638.36x = 22,464,625.25
  5. Step 5: Solve for x
    x = 22,464,625.25/6,638.36
  6. Step 6: Final answer
    x = 3,384.06

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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.