Home / 4,450.86-6,145.12-3,440.70

Finding the Fourth Proportional to 4,450.86, 6,145.12 and 3,440.70

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Solution

The fourth proportional to 4,450.86, 6,145.12 and 3,440.70 is: 4,750.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,450.86 : 6,145.12 = 3,440.70 : x
  2. Step 2: Convert to fraction form
    4,450.86/6,145.12 = 3,440.70/x
  3. Step 3: Cross multiply
    4,450.86x = 6,145.12 × 3,440.70
  4. Step 4: Simplify right side
    4,450.86x = 21,143,514.38
  5. Step 5: Solve for x
    x = 21,143,514.38/4,450.86
  6. Step 6: Final answer
    x = 4,750.43

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Half scale
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Double scale
Find fourth proportional to 4,451.86, 6,146.50 and 3,441.70
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.