Home / 7,960.64-11,936.21-3,030.66

Finding the Fourth Proportional to 7,960.64, 11,936.21 and 3,030.66

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Solution

The fourth proportional to 7,960.64, 11,936.21 and 3,030.66 is: 4,544.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.64 : 11,936.21 = 3,030.66 : x
  2. Step 2: Convert to fraction form
    7,960.64/11,936.21 = 3,030.66/x
  3. Step 3: Cross multiply
    7,960.64x = 11,936.21 × 3,030.66
  4. Step 4: Simplify right side
    7,960.64x = 36,174,579.05
  5. Step 5: Solve for x
    x = 36,174,579.05/7,960.64
  6. Step 6: Final answer
    x = 4,544.18

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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.