Home / 9,191.78-13,786.30-3,348.39

Finding the Fourth Proportional to 9,191.78, 13,786.30 and 3,348.39

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Solution

The fourth proportional to 9,191.78, 13,786.30 and 3,348.39 is: 5,022.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.78 : 13,786.30 = 3,348.39 : x
  2. Step 2: Convert to fraction form
    9,191.78/13,786.30 = 3,348.39/x
  3. Step 3: Cross multiply
    9,191.78x = 13,786.30 × 3,348.39
  4. Step 4: Simplify right side
    9,191.78x = 46,161,887.39
  5. Step 5: Solve for x
    x = 46,161,887.39/9,191.78
  6. Step 6: Final answer
    x = 5,022.08

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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.