Home / 7,850.79-11,760.28-3,628.04

Finding the Fourth Proportional to 7,850.79, 11,760.28 and 3,628.04

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Solution

The fourth proportional to 7,850.79, 11,760.28 and 3,628.04 is: 5,434.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,850.79 : 11,760.28 = 3,628.04 : x
  2. Step 2: Convert to fraction form
    7,850.79/11,760.28 = 3,628.04/x
  3. Step 3: Cross multiply
    7,850.79x = 11,760.28 × 3,628.04
  4. Step 4: Simplify right side
    7,850.79x = 42,666,759.43
  5. Step 5: Solve for x
    x = 42,666,759.43/7,850.79
  6. Step 6: Final answer
    x = 5,434.71

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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.