Home / 7,728.03-11,583.09-3,559.29

Finding the Fourth Proportional to 7,728.03, 11,583.09 and 3,559.29

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Solution

The fourth proportional to 7,728.03, 11,583.09 and 3,559.29 is: 5,334.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728.03 : 11,583.09 = 3,559.29 : x
  2. Step 2: Convert to fraction form
    7,728.03/11,583.09 = 3,559.29/x
  3. Step 3: Cross multiply
    7,728.03x = 11,583.09 × 3,559.29
  4. Step 4: Simplify right side
    7,728.03x = 41,227,576.41
  5. Step 5: Solve for x
    x = 41,227,576.41/7,728.03
  6. Step 6: Final answer
    x = 5,334.81

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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.