Home / 7,436.21-11,143.98-3,269.97

Finding the Fourth Proportional to 7,436.21, 11,143.98 and 3,269.97

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Solution

The fourth proportional to 7,436.21, 11,143.98 and 3,269.97 is: 4,900.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.21 : 11,143.98 = 3,269.97 : x
  2. Step 2: Convert to fraction form
    7,436.21/11,143.98 = 3,269.97/x
  3. Step 3: Cross multiply
    7,436.21x = 11,143.98 × 3,269.97
  4. Step 4: Simplify right side
    7,436.21x = 36,440,480.28
  5. Step 5: Solve for x
    x = 36,440,480.28/7,436.21
  6. Step 6: Final answer
    x = 4,900.41

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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.