Home / 7,270.65-10,912.79-3,575.54

Finding the Fourth Proportional to 7,270.65, 10,912.79 and 3,575.54

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Solution

The fourth proportional to 7,270.65, 10,912.79 and 3,575.54 is: 5,366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.65 : 10,912.79 = 3,575.54 : x
  2. Step 2: Convert to fraction form
    7,270.65/10,912.79 = 3,575.54/x
  3. Step 3: Cross multiply
    7,270.65x = 10,912.79 × 3,575.54
  4. Step 4: Simplify right side
    7,270.65x = 39,019,044.71
  5. Step 5: Solve for x
    x = 39,019,044.71/7,270.65
  6. Step 6: Final answer
    x = 5,366.65

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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.