Home / 7,877.00-11,815.91-3,196.31

Finding the Fourth Proportional to 7,877.00, 11,815.91 and 3,196.31

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Solution

The fourth proportional to 7,877.00, 11,815.91 and 3,196.31 is: 4,794.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877.00 : 11,815.91 = 3,196.31 : x
  2. Step 2: Convert to fraction form
    7,877.00/11,815.91 = 3,196.31/x
  3. Step 3: Cross multiply
    7,877.00x = 11,815.91 × 3,196.31
  4. Step 4: Simplify right side
    7,877.00x = 37,767,236.23
  5. Step 5: Solve for x
    x = 37,767,236.23/7,877.00
  6. Step 6: Final answer
    x = 4,794.62

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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.