Home / 9,212.21-13,818.26-2,638.41

Finding the Fourth Proportional to 9,212.21, 13,818.26 and 2,638.41

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Solution

The fourth proportional to 9,212.21, 13,818.26 and 2,638.41 is: 3,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.21 : 13,818.26 = 2,638.41 : x
  2. Step 2: Convert to fraction form
    9,212.21/13,818.26 = 2,638.41/x
  3. Step 3: Cross multiply
    9,212.21x = 13,818.26 × 2,638.41
  4. Step 4: Simplify right side
    9,212.21x = 36,458,241.96
  5. Step 5: Solve for x
    x = 36,458,241.96/9,212.21
  6. Step 6: Final answer
    x = 3,957.60

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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.