Home / 8,042.20-11,100.54-7,255.96

Finding the Fourth Proportional to 8,042.20, 11,100.54 and 7,255.96

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Solution

The fourth proportional to 8,042.20, 11,100.54 and 7,255.96 is: 10,015.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,042.20 : 11,100.54 = 7,255.96 : x
  2. Step 2: Convert to fraction form
    8,042.20/11,100.54 = 7,255.96/x
  3. Step 3: Cross multiply
    8,042.20x = 11,100.54 × 7,255.96
  4. Step 4: Simplify right side
    8,042.20x = 80,545,074.22
  5. Step 5: Solve for x
    x = 80,545,074.22/8,042.20
  6. Step 6: Final answer
    x = 10,015.30

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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.