Home / 7,946.16-11,919.76-2,102.62

Finding the Fourth Proportional to 7,946.16, 11,919.76 and 2,102.62

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Solution

The fourth proportional to 7,946.16, 11,919.76 and 2,102.62 is: 3,154.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.16 : 11,919.76 = 2,102.62 : x
  2. Step 2: Convert to fraction form
    7,946.16/11,919.76 = 2,102.62/x
  3. Step 3: Cross multiply
    7,946.16x = 11,919.76 × 2,102.62
  4. Step 4: Simplify right side
    7,946.16x = 25,062,725.77
  5. Step 5: Solve for x
    x = 25,062,725.77/7,946.16
  6. Step 6: Final answer
    x = 3,154.07

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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.