Home / 4,286.28-5,920.38-3,696.60

Finding the Fourth Proportional to 4,286.28, 5,920.38 and 3,696.60

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Solution

The fourth proportional to 4,286.28, 5,920.38 and 3,696.60 is: 5,105.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.28 : 5,920.38 = 3,696.60 : x
  2. Step 2: Convert to fraction form
    4,286.28/5,920.38 = 3,696.60/x
  3. Step 3: Cross multiply
    4,286.28x = 5,920.38 × 3,696.60
  4. Step 4: Simplify right side
    4,286.28x = 21,885,276.71
  5. Step 5: Solve for x
    x = 21,885,276.71/4,286.28
  6. Step 6: Final answer
    x = 5,105.89

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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.