Home / 8,108.52-11,193.03-6,119.57

Finding the Fourth Proportional to 8,108.52, 11,193.03 and 6,119.57

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Solution

The fourth proportional to 8,108.52, 11,193.03 and 6,119.57 is: 8,447.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.52 : 11,193.03 = 6,119.57 : x
  2. Step 2: Convert to fraction form
    8,108.52/11,193.03 = 6,119.57/x
  3. Step 3: Cross multiply
    8,108.52x = 11,193.03 × 6,119.57
  4. Step 4: Simplify right side
    8,108.52x = 68,496,474.63
  5. Step 5: Solve for x
    x = 68,496,474.63/8,108.52
  6. Step 6: Final answer
    x = 8,447.47

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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.