Home / 7,945.83-11,918.79-2,023.20

Finding the Fourth Proportional to 7,945.83, 11,918.79 and 2,023.20

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Solution

The fourth proportional to 7,945.83, 11,918.79 and 2,023.20 is: 3,034.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.83 : 11,918.79 = 2,023.20 : x
  2. Step 2: Convert to fraction form
    7,945.83/11,918.79 = 2,023.20/x
  3. Step 3: Cross multiply
    7,945.83x = 11,918.79 × 2,023.20
  4. Step 4: Simplify right side
    7,945.83x = 24,114,095.93
  5. Step 5: Solve for x
    x = 24,114,095.93/7,945.83
  6. Step 6: Final answer
    x = 3,034.81

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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.