Home / 7,724.36-11,582.67-3,775.92

Finding the Fourth Proportional to 7,724.36, 11,582.67 and 3,775.92

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Solution

The fourth proportional to 7,724.36, 11,582.67 and 3,775.92 is: 5,661.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.36 : 11,582.67 = 3,775.92 : x
  2. Step 2: Convert to fraction form
    7,724.36/11,582.67 = 3,775.92/x
  3. Step 3: Cross multiply
    7,724.36x = 11,582.67 × 3,775.92
  4. Step 4: Simplify right side
    7,724.36x = 43,735,195.41
  5. Step 5: Solve for x
    x = 43,735,195.41/7,724.36
  6. Step 6: Final answer
    x = 5,661.98

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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.