Home / 4,849.55-7,270.61-2,215.22

Finding the Fourth Proportional to 4,849.55, 7,270.61 and 2,215.22

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Solution

The fourth proportional to 4,849.55, 7,270.61 and 2,215.22 is: 3,321.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,849.55 : 7,270.61 = 2,215.22 : x
  2. Step 2: Convert to fraction form
    4,849.55/7,270.61 = 2,215.22/x
  3. Step 3: Cross multiply
    4,849.55x = 7,270.61 × 2,215.22
  4. Step 4: Simplify right side
    4,849.55x = 16,105,964.33
  5. Step 5: Solve for x
    x = 16,105,964.33/4,849.55
  6. Step 6: Final answer
    x = 3,321.13

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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.