Home / 7,984.73-11,979.12-2,437.85

Finding the Fourth Proportional to 7,984.73, 11,979.12 and 2,437.85

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Solution

The fourth proportional to 7,984.73, 11,979.12 and 2,437.85 is: 3,657.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.73 : 11,979.12 = 2,437.85 : x
  2. Step 2: Convert to fraction form
    7,984.73/11,979.12 = 2,437.85/x
  3. Step 3: Cross multiply
    7,984.73x = 11,979.12 × 2,437.85
  4. Step 4: Simplify right side
    7,984.73x = 29,203,336.78
  5. Step 5: Solve for x
    x = 29,203,336.78/7,984.73
  6. Step 6: Final answer
    x = 3,657.40

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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.