Home / 4,145.09-6,217.97-1,805.16

Finding the Fourth Proportional to 4,145.09, 6,217.97 and 1,805.16

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Solution

The fourth proportional to 4,145.09, 6,217.97 and 1,805.16 is: 2,707.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.09 : 6,217.97 = 1,805.16 : x
  2. Step 2: Convert to fraction form
    4,145.09/6,217.97 = 1,805.16/x
  3. Step 3: Cross multiply
    4,145.09x = 6,217.97 × 1,805.16
  4. Step 4: Simplify right side
    4,145.09x = 11,224,421.70
  5. Step 5: Solve for x
    x = 11,224,421.70/4,145.09
  6. Step 6: Final answer
    x = 2,707.89

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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.