Home / 6,311.12-9,456.30-3,838.50

Finding the Fourth Proportional to 6,311.12, 9,456.30 and 3,838.50

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Solution

The fourth proportional to 6,311.12, 9,456.30 and 3,838.50 is: 5,751.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,311.12 : 9,456.30 = 3,838.50 : x
  2. Step 2: Convert to fraction form
    6,311.12/9,456.30 = 3,838.50/x
  3. Step 3: Cross multiply
    6,311.12x = 9,456.30 × 3,838.50
  4. Step 4: Simplify right side
    6,311.12x = 36,298,007.55
  5. Step 5: Solve for x
    x = 36,298,007.55/6,311.12
  6. Step 6: Final answer
    x = 5,751.44

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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.