Home / 3,729.36-5,143.72-3,563.92

Finding the Fourth Proportional to 3,729.36, 5,143.72 and 3,563.92

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Solution

The fourth proportional to 3,729.36, 5,143.72 and 3,563.92 is: 4,915.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.36 : 5,143.72 = 3,563.92 : x
  2. Step 2: Convert to fraction form
    3,729.36/5,143.72 = 3,563.92/x
  3. Step 3: Cross multiply
    3,729.36x = 5,143.72 × 3,563.92
  4. Step 4: Simplify right side
    3,729.36x = 18,331,806.58
  5. Step 5: Solve for x
    x = 18,331,806.58/3,729.36
  6. Step 6: Final answer
    x = 4,915.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.