Home / 5,808.38-8,717.69-3,178.31

Finding the Fourth Proportional to 5,808.38, 8,717.69 and 3,178.31

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Solution

The fourth proportional to 5,808.38, 8,717.69 and 3,178.31 is: 4,770.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.38 : 8,717.69 = 3,178.31 : x
  2. Step 2: Convert to fraction form
    5,808.38/8,717.69 = 3,178.31/x
  3. Step 3: Cross multiply
    5,808.38x = 8,717.69 × 3,178.31
  4. Step 4: Simplify right side
    5,808.38x = 27,707,485.66
  5. Step 5: Solve for x
    x = 27,707,485.66/5,808.38
  6. Step 6: Final answer
    x = 4,770.26

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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.