Home / 9,212.33-13,818.49-2,638.53

Finding the Fourth Proportional to 9,212.33, 13,818.49 and 2,638.53

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Solution

The fourth proportional to 9,212.33, 13,818.49 and 2,638.53 is: 3,957.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.33 : 13,818.49 = 2,638.53 : x
  2. Step 2: Convert to fraction form
    9,212.33/13,818.49 = 2,638.53/x
  3. Step 3: Cross multiply
    9,212.33x = 13,818.49 × 2,638.53
  4. Step 4: Simplify right side
    9,212.33x = 36,460,493.82
  5. Step 5: Solve for x
    x = 36,460,493.82/9,212.33
  6. Step 6: Final answer
    x = 3,957.79

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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.