Home / 4,082.85-6,124.68-1,309.41

Finding the Fourth Proportional to 4,082.85, 6,124.68 and 1,309.41

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Solution

The fourth proportional to 4,082.85, 6,124.68 and 1,309.41 is: 1,964.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.85 : 6,124.68 = 1,309.41 : x
  2. Step 2: Convert to fraction form
    4,082.85/6,124.68 = 1,309.41/x
  3. Step 3: Cross multiply
    4,082.85x = 6,124.68 × 1,309.41
  4. Step 4: Simplify right side
    4,082.85x = 8,019,717.24
  5. Step 5: Solve for x
    x = 8,019,717.24/4,082.85
  6. Step 6: Final answer
    x = 1,964.24

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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.