Home / 6,911.46-10,362.60-3,211.65

Finding the Fourth Proportional to 6,911.46, 10,362.60 and 3,211.65

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Solution

The fourth proportional to 6,911.46, 10,362.60 and 3,211.65 is: 4,815.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.46 : 10,362.60 = 3,211.65 : x
  2. Step 2: Convert to fraction form
    6,911.46/10,362.60 = 3,211.65/x
  3. Step 3: Cross multiply
    6,911.46x = 10,362.60 × 3,211.65
  4. Step 4: Simplify right side
    6,911.46x = 33,281,044.29
  5. Step 5: Solve for x
    x = 33,281,044.29/6,911.46
  6. Step 6: Final answer
    x = 4,815.34

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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.