Home / 7,833.85-11,749.52-2,285.90

Finding the Fourth Proportional to 7,833.85, 11,749.52 and 2,285.90

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Solution

The fourth proportional to 7,833.85, 11,749.52 and 2,285.90 is: 3,428.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,833.85 : 11,749.52 = 2,285.90 : x
  2. Step 2: Convert to fraction form
    7,833.85/11,749.52 = 2,285.90/x
  3. Step 3: Cross multiply
    7,833.85x = 11,749.52 × 2,285.90
  4. Step 4: Simplify right side
    7,833.85x = 26,858,190.34
  5. Step 5: Solve for x
    x = 26,858,190.34/7,833.85
  6. Step 6: Final answer
    x = 3,428.48

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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.