Home / 7,209.45-10,812.54-3,310.11

Finding the Fourth Proportional to 7,209.45, 10,812.54 and 3,310.11

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Solution

The fourth proportional to 7,209.45, 10,812.54 and 3,310.11 is: 4,964.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.45 : 10,812.54 = 3,310.11 : x
  2. Step 2: Convert to fraction form
    7,209.45/10,812.54 = 3,310.11/x
  3. Step 3: Cross multiply
    7,209.45x = 10,812.54 × 3,310.11
  4. Step 4: Simplify right side
    7,209.45x = 35,790,696.78
  5. Step 5: Solve for x
    x = 35,790,696.78/7,209.45
  6. Step 6: Final answer
    x = 4,964.41

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1.5x scale

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.