Home / 7,186.15-10,759.20-3,668.59

Finding the Fourth Proportional to 7,186.15, 10,759.20 and 3,668.59

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Solution

The fourth proportional to 7,186.15, 10,759.20 and 3,668.59 is: 5,492.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186.15 : 10,759.20 = 3,668.59 : x
  2. Step 2: Convert to fraction form
    7,186.15/10,759.20 = 3,668.59/x
  3. Step 3: Cross multiply
    7,186.15x = 10,759.20 × 3,668.59
  4. Step 4: Simplify right side
    7,186.15x = 39,471,093.53
  5. Step 5: Solve for x
    x = 39,471,093.53/7,186.15
  6. Step 6: Final answer
    x = 5,492.66

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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.