Home / 8,111.34-11,195.43-5,273.77

Finding the Fourth Proportional to 8,111.34, 11,195.43 and 5,273.77

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Solution

The fourth proportional to 8,111.34, 11,195.43 and 5,273.77 is: 7,278.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111.34 : 11,195.43 = 5,273.77 : x
  2. Step 2: Convert to fraction form
    8,111.34/11,195.43 = 5,273.77/x
  3. Step 3: Cross multiply
    8,111.34x = 11,195.43 × 5,273.77
  4. Step 4: Simplify right side
    8,111.34x = 59,042,122.87
  5. Step 5: Solve for x
    x = 59,042,122.87/8,111.34
  6. Step 6: Final answer
    x = 7,278.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.