Home / 7,687.09-11,534.07-3,736.18

Finding the Fourth Proportional to 7,687.09, 11,534.07 and 3,736.18

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Solution

The fourth proportional to 7,687.09, 11,534.07 and 3,736.18 is: 5,605.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,687.09 : 11,534.07 = 3,736.18 : x
  2. Step 2: Convert to fraction form
    7,687.09/11,534.07 = 3,736.18/x
  3. Step 3: Cross multiply
    7,687.09x = 11,534.07 × 3,736.18
  4. Step 4: Simplify right side
    7,687.09x = 43,093,361.65
  5. Step 5: Solve for x
    x = 43,093,361.65/7,687.09
  6. Step 6: Final answer
    x = 5,605.94

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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.