Home / 7,833.35-11,749.99-1,989.96

Finding the Fourth Proportional to 7,833.35, 11,749.99 and 1,989.96

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Solution

The fourth proportional to 7,833.35, 11,749.99 and 1,989.96 is: 2,984.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,833.35 : 11,749.99 = 1,989.96 : x
  2. Step 2: Convert to fraction form
    7,833.35/11,749.99 = 1,989.96/x
  3. Step 3: Cross multiply
    7,833.35x = 11,749.99 × 1,989.96
  4. Step 4: Simplify right side
    7,833.35x = 23,382,010.10
  5. Step 5: Solve for x
    x = 23,382,010.10/7,833.35
  6. Step 6: Final answer
    x = 2,984.93

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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.