Home / 6,187.62-8,539.30-3,393.12

Finding the Fourth Proportional to 6,187.62, 8,539.30 and 3,393.12

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Solution

The fourth proportional to 6,187.62, 8,539.30 and 3,393.12 is: 4,682.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.62 : 8,539.30 = 3,393.12 : x
  2. Step 2: Convert to fraction form
    6,187.62/8,539.30 = 3,393.12/x
  3. Step 3: Cross multiply
    6,187.62x = 8,539.30 × 3,393.12
  4. Step 4: Simplify right side
    6,187.62x = 28,974,818.44
  5. Step 5: Solve for x
    x = 28,974,818.44/6,187.62
  6. Step 6: Final answer
    x = 4,682.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.