Home / 4,108.96-6,164.25-1,187.29

Finding the Fourth Proportional to 4,108.96, 6,164.25 and 1,187.29

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Solution

The fourth proportional to 4,108.96, 6,164.25 and 1,187.29 is: 1,781.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.96 : 6,164.25 = 1,187.29 : x
  2. Step 2: Convert to fraction form
    4,108.96/6,164.25 = 1,187.29/x
  3. Step 3: Cross multiply
    4,108.96x = 6,164.25 × 1,187.29
  4. Step 4: Simplify right side
    4,108.96x = 7,318,752.38
  5. Step 5: Solve for x
    x = 7,318,752.38/4,108.96
  6. Step 6: Final answer
    x = 1,781.17

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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.