Home / 4,108.91-6,163.47-1,187.33

Finding the Fourth Proportional to 4,108.91, 6,163.47 and 1,187.33

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Solution

The fourth proportional to 4,108.91, 6,163.47 and 1,187.33 is: 1,781.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.91 : 6,163.47 = 1,187.33 : x
  2. Step 2: Convert to fraction form
    4,108.91/6,163.47 = 1,187.33/x
  3. Step 3: Cross multiply
    4,108.91x = 6,163.47 × 1,187.33
  4. Step 4: Simplify right side
    4,108.91x = 7,318,042.02
  5. Step 5: Solve for x
    x = 7,318,042.02/4,108.91
  6. Step 6: Final answer
    x = 1,781.02

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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.