Home / 9,286.80-13,926.96-5,771.40

Finding the Fourth Proportional to 9,286.80, 13,926.96 and 5,771.40

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Solution

The fourth proportional to 9,286.80, 13,926.96 and 5,771.40 is: 8,655.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,286.80 : 13,926.96 = 5,771.40 : x
  2. Step 2: Convert to fraction form
    9,286.80/13,926.96 = 5,771.40/x
  3. Step 3: Cross multiply
    9,286.80x = 13,926.96 × 5,771.40
  4. Step 4: Simplify right side
    9,286.80x = 80,378,056.94
  5. Step 5: Solve for x
    x = 80,378,056.94/9,286.80
  6. Step 6: Final answer
    x = 8,655.09

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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.