Home / 7,086.70-10,625.49-3,388.85

Finding the Fourth Proportional to 7,086.70, 10,625.49 and 3,388.85

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Solution

The fourth proportional to 7,086.70, 10,625.49 and 3,388.85 is: 5,081.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,086.70 : 10,625.49 = 3,388.85 : x
  2. Step 2: Convert to fraction form
    7,086.70/10,625.49 = 3,388.85/x
  3. Step 3: Cross multiply
    7,086.70x = 10,625.49 × 3,388.85
  4. Step 4: Simplify right side
    7,086.70x = 36,008,191.79
  5. Step 5: Solve for x
    x = 36,008,191.79/7,086.70
  6. Step 6: Final answer
    x = 5,081.09

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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.