Home / 8,076.52-11,138.20-5,240.96

Finding the Fourth Proportional to 8,076.52, 11,138.20 and 5,240.96

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Solution

The fourth proportional to 8,076.52, 11,138.20 and 5,240.96 is: 7,227.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.52 : 11,138.20 = 5,240.96 : x
  2. Step 2: Convert to fraction form
    8,076.52/11,138.20 = 5,240.96/x
  3. Step 3: Cross multiply
    8,076.52x = 11,138.20 × 5,240.96
  4. Step 4: Simplify right side
    8,076.52x = 58,374,860.67
  5. Step 5: Solve for x
    x = 58,374,860.67/8,076.52
  6. Step 6: Final answer
    x = 7,227.72

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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.