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Finding the Fourth Proportional to 7,495.56, 11,243.10 and 3,391.56

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Solution

The fourth proportional to 7,495.56, 11,243.10 and 3,391.56 is: 5,087.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,495.56 : 11,243.10 = 3,391.56 : x
  2. Step 2: Convert to fraction form
    7,495.56/11,243.10 = 3,391.56/x
  3. Step 3: Cross multiply
    7,495.56x = 11,243.10 × 3,391.56
  4. Step 4: Simplify right side
    7,495.56x = 38,131,648.24
  5. Step 5: Solve for x
    x = 38,131,648.24/7,495.56
  6. Step 6: Final answer
    x = 5,087.23

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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.