Home / 7,910.64-11,858.13-3,743.28

Finding the Fourth Proportional to 7,910.64, 11,858.13 and 3,743.28

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Solution

The fourth proportional to 7,910.64, 11,858.13 and 3,743.28 is: 5,611.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910.64 : 11,858.13 = 3,743.28 : x
  2. Step 2: Convert to fraction form
    7,910.64/11,858.13 = 3,743.28/x
  3. Step 3: Cross multiply
    7,910.64x = 11,858.13 × 3,743.28
  4. Step 4: Simplify right side
    7,910.64x = 44,388,300.87
  5. Step 5: Solve for x
    x = 44,388,300.87/7,910.64
  6. Step 6: Final answer
    x = 5,611.21

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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.