Home / 4,207.80-5,812.26-3,414.09

Finding the Fourth Proportional to 4,207.80, 5,812.26 and 3,414.09

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Solution

The fourth proportional to 4,207.80, 5,812.26 and 3,414.09 is: 4,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,207.80 : 5,812.26 = 3,414.09 : x
  2. Step 2: Convert to fraction form
    4,207.80/5,812.26 = 3,414.09/x
  3. Step 3: Cross multiply
    4,207.80x = 5,812.26 × 3,414.09
  4. Step 4: Simplify right side
    4,207.80x = 19,843,578.74
  5. Step 5: Solve for x
    x = 19,843,578.74/4,207.80
  6. Step 6: Final answer
    x = 4,715.90

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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.