Home / 7,185.05-10,777.68-2,254.73

Finding the Fourth Proportional to 7,185.05, 10,777.68 and 2,254.73

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Solution

The fourth proportional to 7,185.05, 10,777.68 and 2,254.73 is: 3,382.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185.05 : 10,777.68 = 2,254.73 : x
  2. Step 2: Convert to fraction form
    7,185.05/10,777.68 = 2,254.73/x
  3. Step 3: Cross multiply
    7,185.05x = 10,777.68 × 2,254.73
  4. Step 4: Simplify right side
    7,185.05x = 24,300,758.43
  5. Step 5: Solve for x
    x = 24,300,758.43/7,185.05
  6. Step 6: Final answer
    x = 3,382.13

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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.