Home / 6,187.79-9,282.53-1,805.21

Finding the Fourth Proportional to 6,187.79, 9,282.53 and 1,805.21

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Solution

The fourth proportional to 6,187.79, 9,282.53 and 1,805.21 is: 2,708.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.79 : 9,282.53 = 1,805.21 : x
  2. Step 2: Convert to fraction form
    6,187.79/9,282.53 = 1,805.21/x
  3. Step 3: Cross multiply
    6,187.79x = 9,282.53 × 1,805.21
  4. Step 4: Simplify right side
    6,187.79x = 16,756,906.96
  5. Step 5: Solve for x
    x = 16,756,906.96/6,187.79
  6. Step 6: Final answer
    x = 2,708.06

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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.