Home / 7,804.85-11,707.61-2,258.75

Finding the Fourth Proportional to 7,804.85, 11,707.61 and 2,258.75

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Solution

The fourth proportional to 7,804.85, 11,707.61 and 2,258.75 is: 3,388.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,804.85 : 11,707.61 = 2,258.75 : x
  2. Step 2: Convert to fraction form
    7,804.85/11,707.61 = 2,258.75/x
  3. Step 3: Cross multiply
    7,804.85x = 11,707.61 × 2,258.75
  4. Step 4: Simplify right side
    7,804.85x = 26,444,564.09
  5. Step 5: Solve for x
    x = 26,444,564.09/7,804.85
  6. Step 6: Final answer
    x = 3,388.22

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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.