Home / 7,914.83-11,876.30-3,238.30

Finding the Fourth Proportional to 7,914.83, 11,876.30 and 3,238.30

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Solution

The fourth proportional to 7,914.83, 11,876.30 and 3,238.30 is: 4,859.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.83 : 11,876.30 = 3,238.30 : x
  2. Step 2: Convert to fraction form
    7,914.83/11,876.30 = 3,238.30/x
  3. Step 3: Cross multiply
    7,914.83x = 11,876.30 × 3,238.30
  4. Step 4: Simplify right side
    7,914.83x = 38,458,946.72
  5. Step 5: Solve for x
    x = 38,458,946.72/7,914.83
  6. Step 6: Final answer
    x = 4,859.10

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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.