Home / 9,212.40-13,818.66-3,366.60

Finding the Fourth Proportional to 9,212.40, 13,818.66 and 3,366.60

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Solution

The fourth proportional to 9,212.40, 13,818.66 and 3,366.60 is: 5,049.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.40 : 13,818.66 = 3,366.60 : x
  2. Step 2: Convert to fraction form
    9,212.40/13,818.66 = 3,366.60/x
  3. Step 3: Cross multiply
    9,212.40x = 13,818.66 × 3,366.60
  4. Step 4: Simplify right side
    9,212.40x = 46,521,900.76
  5. Step 5: Solve for x
    x = 46,521,900.76/9,212.40
  6. Step 6: Final answer
    x = 5,049.92

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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.