Home / 4,082.92-6,125.75-1,618.45

Finding the Fourth Proportional to 4,082.92, 6,125.75 and 1,618.45

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Solution

The fourth proportional to 4,082.92, 6,125.75 and 1,618.45 is: 2,428.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.92 : 6,125.75 = 1,618.45 : x
  2. Step 2: Convert to fraction form
    4,082.92/6,125.75 = 1,618.45/x
  3. Step 3: Cross multiply
    4,082.92x = 6,125.75 × 1,618.45
  4. Step 4: Simplify right side
    4,082.92x = 9,914,202.75
  5. Step 5: Solve for x
    x = 9,914,202.75/4,082.92
  6. Step 6: Final answer
    x = 2,428.22

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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.