Home / 7,868.60-11,795.61-3,968.48

Finding the Fourth Proportional to 7,868.60, 11,795.61 and 3,968.48

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Solution

The fourth proportional to 7,868.60, 11,795.61 and 3,968.48 is: 5,949.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.60 : 11,795.61 = 3,968.48 : x
  2. Step 2: Convert to fraction form
    7,868.60/11,795.61 = 3,968.48/x
  3. Step 3: Cross multiply
    7,868.60x = 11,795.61 × 3,968.48
  4. Step 4: Simplify right side
    7,868.60x = 46,810,642.37
  5. Step 5: Solve for x
    x = 46,810,642.37/7,868.60
  6. Step 6: Final answer
    x = 5,949.04

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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.