Home / 7,959.70-11,941.32-2,623.12

Finding the Fourth Proportional to 7,959.70, 11,941.32 and 2,623.12

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Solution

The fourth proportional to 7,959.70, 11,941.32 and 2,623.12 is: 3,935.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959.70 : 11,941.32 = 2,623.12 : x
  2. Step 2: Convert to fraction form
    7,959.70/11,941.32 = 2,623.12/x
  3. Step 3: Cross multiply
    7,959.70x = 11,941.32 × 2,623.12
  4. Step 4: Simplify right side
    7,959.70x = 31,323,515.32
  5. Step 5: Solve for x
    x = 31,323,515.32/7,959.70
  6. Step 6: Final answer
    x = 3,935.26

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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.