Home / 4,085-5,637.42-2,222.12

Finding the Fourth Proportional to 4,085, 5,637.42 and 2,222.12

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Solution

The fourth proportional to 4,085, 5,637.42 and 2,222.12 is: 3,066.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085 : 5,637.42 = 2,222.12 : x
  2. Step 2: Convert to fraction form
    4,085/5,637.42 = 2,222.12/x
  3. Step 3: Cross multiply
    4,085x = 5,637.42 × 2,222.12
  4. Step 4: Simplify right side
    4,085x = 12,527,023.73
  5. Step 5: Solve for x
    x = 12,527,023.73/4,085
  6. Step 6: Final answer
    x = 3,066.59

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Double scale
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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.