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Finding the Fourth Proportional to 7,951.04, 11,922.80 and 2,950.01

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Solution

The fourth proportional to 7,951.04, 11,922.80 and 2,950.01 is: 4,423.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,951.04 : 11,922.80 = 2,950.01 : x
  2. Step 2: Convert to fraction form
    7,951.04/11,922.80 = 2,950.01/x
  3. Step 3: Cross multiply
    7,951.04x = 11,922.80 × 2,950.01
  4. Step 4: Simplify right side
    7,951.04x = 35,172,304.86
  5. Step 5: Solve for x
    x = 35,172,304.86/7,951.04
  6. Step 6: Final answer
    x = 4,423.61

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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.