Home / 7,853.68-11,780.52-3,469.96

Finding the Fourth Proportional to 7,853.68, 11,780.52 and 3,469.96

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Solution

The fourth proportional to 7,853.68, 11,780.52 and 3,469.96 is: 5,204.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853.68 : 11,780.52 = 3,469.96 : x
  2. Step 2: Convert to fraction form
    7,853.68/11,780.52 = 3,469.96/x
  3. Step 3: Cross multiply
    7,853.68x = 11,780.52 × 3,469.96
  4. Step 4: Simplify right side
    7,853.68x = 40,877,933.18
  5. Step 5: Solve for x
    x = 40,877,933.18/7,853.68
  6. Step 6: Final answer
    x = 5,204.94

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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.