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Finding the Fourth Proportional to 7,791.06, 11,683.06 and 2,243.18

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Solution

The fourth proportional to 7,791.06, 11,683.06 and 2,243.18 is: 3,363.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791.06 : 11,683.06 = 2,243.18 : x
  2. Step 2: Convert to fraction form
    7,791.06/11,683.06 = 2,243.18/x
  3. Step 3: Cross multiply
    7,791.06x = 11,683.06 × 2,243.18
  4. Step 4: Simplify right side
    7,791.06x = 26,207,206.53
  5. Step 5: Solve for x
    x = 26,207,206.53/7,791.06
  6. Step 6: Final answer
    x = 3,363.75

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1.5x scale

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.