Home / 7,960.48-11,941.32-2,116.92

Finding the Fourth Proportional to 7,960.48, 11,941.32 and 2,116.92

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Solution

The fourth proportional to 7,960.48, 11,941.32 and 2,116.92 is: 3,175.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.48 : 11,941.32 = 2,116.92 : x
  2. Step 2: Convert to fraction form
    7,960.48/11,941.32 = 2,116.92/x
  3. Step 3: Cross multiply
    7,960.48x = 11,941.32 × 2,116.92
  4. Step 4: Simplify right side
    7,960.48x = 25,278,819.13
  5. Step 5: Solve for x
    x = 25,278,819.13/7,960.48
  6. Step 6: Final answer
    x = 3,175.54

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1.5x scale

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.