Home / 7,191.45-10,786.59-3,295.89

Finding the Fourth Proportional to 7,191.45, 10,786.59 and 3,295.89

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Solution

The fourth proportional to 7,191.45, 10,786.59 and 3,295.89 is: 4,943.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191.45 : 10,786.59 = 3,295.89 : x
  2. Step 2: Convert to fraction form
    7,191.45/10,786.59 = 3,295.89/x
  3. Step 3: Cross multiply
    7,191.45x = 10,786.59 × 3,295.89
  4. Step 4: Simplify right side
    7,191.45x = 35,551,414.12
  5. Step 5: Solve for x
    x = 35,551,414.12/7,191.45
  6. Step 6: Final answer
    x = 4,943.57

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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.