Home / 7,785.06-11,676.93-1,941.66

Finding the Fourth Proportional to 7,785.06, 11,676.93 and 1,941.66

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Solution

The fourth proportional to 7,785.06, 11,676.93 and 1,941.66 is: 2,912.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785.06 : 11,676.93 = 1,941.66 : x
  2. Step 2: Convert to fraction form
    7,785.06/11,676.93 = 1,941.66/x
  3. Step 3: Cross multiply
    7,785.06x = 11,676.93 × 1,941.66
  4. Step 4: Simplify right side
    7,785.06x = 22,672,627.90
  5. Step 5: Solve for x
    x = 22,672,627.90/7,785.06
  6. Step 6: Final answer
    x = 2,912.33

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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.