Home / 9,191.21-13,786.74-2,617.39

Finding the Fourth Proportional to 9,191.21, 13,786.74 and 2,617.39

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Solution

The fourth proportional to 9,191.21, 13,786.74 and 2,617.39 is: 3,926.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.21 : 13,786.74 = 2,617.39 : x
  2. Step 2: Convert to fraction form
    9,191.21/13,786.74 = 2,617.39/x
  3. Step 3: Cross multiply
    9,191.21x = 13,786.74 × 2,617.39
  4. Step 4: Simplify right side
    9,191.21x = 36,085,292.64
  5. Step 5: Solve for x
    x = 36,085,292.64/9,191.21
  6. Step 6: Final answer
    x = 3,926.07

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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.