Home / 7,589.39-11,376.29-2,908.13

Finding the Fourth Proportional to 7,589.39, 11,376.29 and 2,908.13

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Solution

The fourth proportional to 7,589.39, 11,376.29 and 2,908.13 is: 4,359.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,589.39 : 11,376.29 = 2,908.13 : x
  2. Step 2: Convert to fraction form
    7,589.39/11,376.29 = 2,908.13/x
  3. Step 3: Cross multiply
    7,589.39x = 11,376.29 × 2,908.13
  4. Step 4: Simplify right side
    7,589.39x = 33,083,765.95
  5. Step 5: Solve for x
    x = 33,083,765.95/7,589.39
  6. Step 6: Final answer
    x = 4,359.21

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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.