Home / 7,069.33-10,604.04-3,172.78

Finding the Fourth Proportional to 7,069.33, 10,604.04 and 3,172.78

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Solution

The fourth proportional to 7,069.33, 10,604.04 and 3,172.78 is: 4,759.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.33 : 10,604.04 = 3,172.78 : x
  2. Step 2: Convert to fraction form
    7,069.33/10,604.04 = 3,172.78/x
  3. Step 3: Cross multiply
    7,069.33x = 10,604.04 × 3,172.78
  4. Step 4: Simplify right side
    7,069.33x = 33,644,286.03
  5. Step 5: Solve for x
    x = 33,644,286.03/7,069.33
  6. Step 6: Final answer
    x = 4,759.19

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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.