Home / 9,122.55-13,674.78-3,858.99

Finding the Fourth Proportional to 9,122.55, 13,674.78 and 3,858.99

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Solution

The fourth proportional to 9,122.55, 13,674.78 and 3,858.99 is: 5,784.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.55 : 13,674.78 = 3,858.99 : x
  2. Step 2: Convert to fraction form
    9,122.55/13,674.78 = 3,858.99/x
  3. Step 3: Cross multiply
    9,122.55x = 13,674.78 × 3,858.99
  4. Step 4: Simplify right side
    9,122.55x = 52,770,839.27
  5. Step 5: Solve for x
    x = 52,770,839.27/9,122.55
  6. Step 6: Final answer
    x = 5,784.66

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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.