Home / 7,700.94-11,552.11-2,154.38

Finding the Fourth Proportional to 7,700.94, 11,552.11 and 2,154.38

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Solution

The fourth proportional to 7,700.94, 11,552.11 and 2,154.38 is: 3,231.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,700.94 : 11,552.11 = 2,154.38 : x
  2. Step 2: Convert to fraction form
    7,700.94/11,552.11 = 2,154.38/x
  3. Step 3: Cross multiply
    7,700.94x = 11,552.11 × 2,154.38
  4. Step 4: Simplify right side
    7,700.94x = 24,887,571.60
  5. Step 5: Solve for x
    x = 24,887,571.60/7,700.94
  6. Step 6: Final answer
    x = 3,231.76

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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.