Home / 7,946.15-11,911.91-2,748.38

Finding the Fourth Proportional to 7,946.15, 11,911.91 and 2,748.38

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Solution

The fourth proportional to 7,946.15, 11,911.91 and 2,748.38 is: 4,120.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.15 : 11,911.91 = 2,748.38 : x
  2. Step 2: Convert to fraction form
    7,946.15/11,911.91 = 2,748.38/x
  3. Step 3: Cross multiply
    7,946.15x = 11,911.91 × 2,748.38
  4. Step 4: Simplify right side
    7,946.15x = 32,738,381.90
  5. Step 5: Solve for x
    x = 32,738,381.90/7,946.15
  6. Step 6: Final answer
    x = 4,120.03

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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.