Home / 7,976.68-11,935.86-6,679.06

Finding the Fourth Proportional to 7,976.68, 11,935.86 and 6,679.06

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Solution

The fourth proportional to 7,976.68, 11,935.86 and 6,679.06 is: 9,994.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.68 : 11,935.86 = 6,679.06 : x
  2. Step 2: Convert to fraction form
    7,976.68/11,935.86 = 6,679.06/x
  3. Step 3: Cross multiply
    7,976.68x = 11,935.86 × 6,679.06
  4. Step 4: Simplify right side
    7,976.68x = 79,720,325.09
  5. Step 5: Solve for x
    x = 79,720,325.09/7,976.68
  6. Step 6: Final answer
    x = 9,994.17

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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.