Home / 7,946.26-11,918.36-2,103.32

Finding the Fourth Proportional to 7,946.26, 11,918.36 and 2,103.32

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Solution

The fourth proportional to 7,946.26, 11,918.36 and 2,103.32 is: 3,154.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.26 : 11,918.36 = 2,103.32 : x
  2. Step 2: Convert to fraction form
    7,946.26/11,918.36 = 2,103.32/x
  3. Step 3: Cross multiply
    7,946.26x = 11,918.36 × 2,103.32
  4. Step 4: Simplify right side
    7,946.26x = 25,068,124.96
  5. Step 5: Solve for x
    x = 25,068,124.96/7,946.26
  6. Step 6: Final answer
    x = 3,154.71

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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.