Home / 7,589.32-11,384.60-3,208.03

Finding the Fourth Proportional to 7,589.32, 11,384.60 and 3,208.03

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Solution

The fourth proportional to 7,589.32, 11,384.60 and 3,208.03 is: 4,812.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,589.32 : 11,384.60 = 3,208.03 : x
  2. Step 2: Convert to fraction form
    7,589.32/11,384.60 = 3,208.03/x
  3. Step 3: Cross multiply
    7,589.32x = 11,384.60 × 3,208.03
  4. Step 4: Simplify right side
    7,589.32x = 36,522,093.84
  5. Step 5: Solve for x
    x = 36,522,093.84/7,589.32
  6. Step 6: Final answer
    x = 4,812.30

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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.