Home / 4,936.40-7,395.60-3,903.20

Finding the Fourth Proportional to 4,936.40, 7,395.60 and 3,903.20

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Solution

The fourth proportional to 4,936.40, 7,395.60 and 3,903.20 is: 5,847.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,936.40 : 7,395.60 = 3,903.20 : x
  2. Step 2: Convert to fraction form
    4,936.40/7,395.60 = 3,903.20/x
  3. Step 3: Cross multiply
    4,936.40x = 7,395.60 × 3,903.20
  4. Step 4: Simplify right side
    4,936.40x = 28,866,505.92
  5. Step 5: Solve for x
    x = 28,866,505.92/4,936.40
  6. Step 6: Final answer
    x = 5,847.68

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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.