Home / 5,120.83-7,677.73-1,833.85

Finding the Fourth Proportional to 5,120.83, 7,677.73 and 1,833.85

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Solution

The fourth proportional to 5,120.83, 7,677.73 and 1,833.85 is: 2,749.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120.83 : 7,677.73 = 1,833.85 : x
  2. Step 2: Convert to fraction form
    5,120.83/7,677.73 = 1,833.85/x
  3. Step 3: Cross multiply
    5,120.83x = 7,677.73 × 1,833.85
  4. Step 4: Simplify right side
    5,120.83x = 14,079,805.16
  5. Step 5: Solve for x
    x = 14,079,805.16/5,120.83
  6. Step 6: Final answer
    x = 2,749.52

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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.