Home / 7,945.50-11,914.38-2,397.80

Finding the Fourth Proportional to 7,945.50, 11,914.38 and 2,397.80

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Solution

The fourth proportional to 7,945.50, 11,914.38 and 2,397.80 is: 3,595.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.50 : 11,914.38 = 2,397.80 : x
  2. Step 2: Convert to fraction form
    7,945.50/11,914.38 = 2,397.80/x
  3. Step 3: Cross multiply
    7,945.50x = 11,914.38 × 2,397.80
  4. Step 4: Simplify right side
    7,945.50x = 28,568,300.36
  5. Step 5: Solve for x
    x = 28,568,300.36/7,945.50
  6. Step 6: Final answer
    x = 3,595.53

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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.