Home / 7,951.97-11,927.96-2,405.19

Finding the Fourth Proportional to 7,951.97, 11,927.96 and 2,405.19

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Solution

The fourth proportional to 7,951.97, 11,927.96 and 2,405.19 is: 3,607.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,951.97 : 11,927.96 = 2,405.19 : x
  2. Step 2: Convert to fraction form
    7,951.97/11,927.96 = 2,405.19/x
  3. Step 3: Cross multiply
    7,951.97x = 11,927.96 × 2,405.19
  4. Step 4: Simplify right side
    7,951.97x = 28,688,998.09
  5. Step 5: Solve for x
    x = 28,688,998.09/7,951.97
  6. Step 6: Final answer
    x = 3,607.78

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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.