Home / 7,749.39-11,628.87-3,068.61

Finding the Fourth Proportional to 7,749.39, 11,628.87 and 3,068.61

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Solution

The fourth proportional to 7,749.39, 11,628.87 and 3,068.61 is: 4,604.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749.39 : 11,628.87 = 3,068.61 : x
  2. Step 2: Convert to fraction form
    7,749.39/11,628.87 = 3,068.61/x
  3. Step 3: Cross multiply
    7,749.39x = 11,628.87 × 3,068.61
  4. Step 4: Simplify right side
    7,749.39x = 35,684,466.77
  5. Step 5: Solve for x
    x = 35,684,466.77/7,749.39
  6. Step 6: Final answer
    x = 4,604.81

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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.