Home / 9,336.68-12,884.45-5,087.78

Finding the Fourth Proportional to 9,336.68, 12,884.45 and 5,087.78

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Solution

The fourth proportional to 9,336.68, 12,884.45 and 5,087.78 is: 7,021.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,336.68 : 12,884.45 = 5,087.78 : x
  2. Step 2: Convert to fraction form
    9,336.68/12,884.45 = 5,087.78/x
  3. Step 3: Cross multiply
    9,336.68x = 12,884.45 × 5,087.78
  4. Step 4: Simplify right side
    9,336.68x = 65,553,198.70
  5. Step 5: Solve for x
    x = 65,553,198.70/9,336.68
  6. Step 6: Final answer
    x = 7,021.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.