Home / 7,934.21-11,902.97-2,387.96

Finding the Fourth Proportional to 7,934.21, 11,902.97 and 2,387.96

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Solution

The fourth proportional to 7,934.21, 11,902.97 and 2,387.96 is: 3,582.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.21 : 11,902.97 = 2,387.96 : x
  2. Step 2: Convert to fraction form
    7,934.21/11,902.97 = 2,387.96/x
  3. Step 3: Cross multiply
    7,934.21x = 11,902.97 × 2,387.96
  4. Step 4: Simplify right side
    7,934.21x = 28,423,762.70
  5. Step 5: Solve for x
    x = 28,423,762.70/7,934.21
  6. Step 6: Final answer
    x = 3,582.43

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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.