Home / 4,786.40-7,168.08-3,242.72

Finding the Fourth Proportional to 4,786.40, 7,168.08 and 3,242.72

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Solution

The fourth proportional to 4,786.40, 7,168.08 and 3,242.72 is: 4,856.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.40 : 7,168.08 = 3,242.72 : x
  2. Step 2: Convert to fraction form
    4,786.40/7,168.08 = 3,242.72/x
  3. Step 3: Cross multiply
    4,786.40x = 7,168.08 × 3,242.72
  4. Step 4: Simplify right side
    4,786.40x = 23,244,076.38
  5. Step 5: Solve for x
    x = 23,244,076.38/4,786.40
  6. Step 6: Final answer
    x = 4,856.28

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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.