Home / 7,923.36-11,877.20-3,756

Finding the Fourth Proportional to 7,923.36, 11,877.20 and 3,756

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Solution

The fourth proportional to 7,923.36, 11,877.20 and 3,756 is: 5,630.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.36 : 11,877.20 = 3,756 : x
  2. Step 2: Convert to fraction form
    7,923.36/11,877.20 = 3,756/x
  3. Step 3: Cross multiply
    7,923.36x = 11,877.20 × 3,756
  4. Step 4: Simplify right side
    7,923.36x = 44,610,763.20
  5. Step 5: Solve for x
    x = 44,610,763.20/7,923.36
  6. Step 6: Final answer
    x = 5,630.28

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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.