Home / 7,923.30-11,889.05-5,749.97

Finding the Fourth Proportional to 7,923.30, 11,889.05 and 5,749.97

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Solution

The fourth proportional to 7,923.30, 11,889.05 and 5,749.97 is: 8,627.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.30 : 11,889.05 = 5,749.97 : x
  2. Step 2: Convert to fraction form
    7,923.30/11,889.05 = 5,749.97/x
  3. Step 3: Cross multiply
    7,923.30x = 11,889.05 × 5,749.97
  4. Step 4: Simplify right side
    7,923.30x = 68,361,592.63
  5. Step 5: Solve for x
    x = 68,361,592.63/7,923.30
  6. Step 6: Final answer
    x = 8,627.92

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1.5x scale

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.