Home / 6,579.91-9,876.70-3,811.99

Finding the Fourth Proportional to 6,579.91, 9,876.70 and 3,811.99

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Solution

The fourth proportional to 6,579.91, 9,876.70 and 3,811.99 is: 5,721.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579.91 : 9,876.70 = 3,811.99 : x
  2. Step 2: Convert to fraction form
    6,579.91/9,876.70 = 3,811.99/x
  3. Step 3: Cross multiply
    6,579.91x = 9,876.70 × 3,811.99
  4. Step 4: Simplify right side
    6,579.91x = 37,649,836.37
  5. Step 5: Solve for x
    x = 37,649,836.37/6,579.91
  6. Step 6: Final answer
    x = 5,721.94

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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.