Home / 7,957.75-11,936.63-2,485.75

Finding the Fourth Proportional to 7,957.75, 11,936.63 and 2,485.75

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Solution

The fourth proportional to 7,957.75, 11,936.63 and 2,485.75 is: 3,728.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957.75 : 11,936.63 = 2,485.75 : x
  2. Step 2: Convert to fraction form
    7,957.75/11,936.63 = 2,485.75/x
  3. Step 3: Cross multiply
    7,957.75x = 11,936.63 × 2,485.75
  4. Step 4: Simplify right side
    7,957.75x = 29,671,478.02
  5. Step 5: Solve for x
    x = 29,671,478.02/7,957.75
  6. Step 6: Final answer
    x = 3,728.63

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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.