Home / 7,902.60-11,848.14-4,201.80

Finding the Fourth Proportional to 7,902.60, 11,848.14 and 4,201.80

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Solution

The fourth proportional to 7,902.60, 11,848.14 and 4,201.80 is: 6,299.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,902.60 : 11,848.14 = 4,201.80 : x
  2. Step 2: Convert to fraction form
    7,902.60/11,848.14 = 4,201.80/x
  3. Step 3: Cross multiply
    7,902.60x = 11,848.14 × 4,201.80
  4. Step 4: Simplify right side
    7,902.60x = 49,783,514.65
  5. Step 5: Solve for x
    x = 49,783,514.65/7,902.60
  6. Step 6: Final answer
    x = 6,299.64

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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.