Home / 6,158.80-9,239.82-1,776.61

Finding the Fourth Proportional to 6,158.80, 9,239.82 and 1,776.61

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Solution

The fourth proportional to 6,158.80, 9,239.82 and 1,776.61 is: 2,665.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,158.80 : 9,239.82 = 1,776.61 : x
  2. Step 2: Convert to fraction form
    6,158.80/9,239.82 = 1,776.61/x
  3. Step 3: Cross multiply
    6,158.80x = 9,239.82 × 1,776.61
  4. Step 4: Simplify right side
    6,158.80x = 16,415,556.61
  5. Step 5: Solve for x
    x = 16,415,556.61/6,158.80
  6. Step 6: Final answer
    x = 2,665.38

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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.