Home / 7,868.14-11,803.92-3,708.16

Finding the Fourth Proportional to 7,868.14, 11,803.92 and 3,708.16

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Solution

The fourth proportional to 7,868.14, 11,803.92 and 3,708.16 is: 5,563.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.14 : 11,803.92 = 3,708.16 : x
  2. Step 2: Convert to fraction form
    7,868.14/11,803.92 = 3,708.16/x
  3. Step 3: Cross multiply
    7,868.14x = 11,803.92 × 3,708.16
  4. Step 4: Simplify right side
    7,868.14x = 43,770,823.99
  5. Step 5: Solve for x
    x = 43,770,823.99/7,868.14
  6. Step 6: Final answer
    x = 5,563.05

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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.