Home / 7,616.90-11,423.16-2,936.54

Finding the Fourth Proportional to 7,616.90, 11,423.16 and 2,936.54

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Solution

The fourth proportional to 7,616.90, 11,423.16 and 2,936.54 is: 4,403.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.90 : 11,423.16 = 2,936.54 : x
  2. Step 2: Convert to fraction form
    7,616.90/11,423.16 = 2,936.54/x
  3. Step 3: Cross multiply
    7,616.90x = 11,423.16 × 2,936.54
  4. Step 4: Simplify right side
    7,616.90x = 33,544,566.27
  5. Step 5: Solve for x
    x = 33,544,566.27/7,616.90
  6. Step 6: Final answer
    x = 4,403.97

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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.