Home / 7,946.23-11,918.41-2,103.29

Finding the Fourth Proportional to 7,946.23, 11,918.41 and 2,103.29

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Solution

The fourth proportional to 7,946.23, 11,918.41 and 2,103.29 is: 3,154.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.23 : 11,918.41 = 2,103.29 : x
  2. Step 2: Convert to fraction form
    7,946.23/11,918.41 = 2,103.29/x
  3. Step 3: Cross multiply
    7,946.23x = 11,918.41 × 2,103.29
  4. Step 4: Simplify right side
    7,946.23x = 25,067,872.57
  5. Step 5: Solve for x
    x = 25,067,872.57/7,946.23
  6. Step 6: Final answer
    x = 3,154.69

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1.5x scale

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.