Home / 4,108.50-6,163.79-1,186.82

Finding the Fourth Proportional to 4,108.50, 6,163.79 and 1,186.82

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Solution

The fourth proportional to 4,108.50, 6,163.79 and 1,186.82 is: 1,780.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.50 : 6,163.79 = 1,186.82 : x
  2. Step 2: Convert to fraction form
    4,108.50/6,163.79 = 1,186.82/x
  3. Step 3: Cross multiply
    4,108.50x = 6,163.79 × 1,186.82
  4. Step 4: Simplify right side
    4,108.50x = 7,315,272.49
  5. Step 5: Solve for x
    x = 7,315,272.49/4,108.50
  6. Step 6: Final answer
    x = 1,780.52

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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.