Home / 4,073.76-5,615.24-2,745.16

Finding the Fourth Proportional to 4,073.76, 5,615.24 and 2,745.16

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Solution

The fourth proportional to 4,073.76, 5,615.24 and 2,745.16 is: 3,783.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,073.76 : 5,615.24 = 2,745.16 : x
  2. Step 2: Convert to fraction form
    4,073.76/5,615.24 = 2,745.16/x
  3. Step 3: Cross multiply
    4,073.76x = 5,615.24 × 2,745.16
  4. Step 4: Simplify right side
    4,073.76x = 15,414,704.47
  5. Step 5: Solve for x
    x = 15,414,704.47/4,073.76
  6. Step 6: Final answer
    x = 3,783.90

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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.