Home / 4,082.19-6,124.20-1,309.11

Finding the Fourth Proportional to 4,082.19, 6,124.20 and 1,309.11

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Solution

The fourth proportional to 4,082.19, 6,124.20 and 1,309.11 is: 1,963.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.19 : 6,124.20 = 1,309.11 : x
  2. Step 2: Convert to fraction form
    4,082.19/6,124.20 = 1,309.11/x
  3. Step 3: Cross multiply
    4,082.19x = 6,124.20 × 1,309.11
  4. Step 4: Simplify right side
    4,082.19x = 8,017,251.46
  5. Step 5: Solve for x
    x = 8,017,251.46/4,082.19
  6. Step 6: Final answer
    x = 1,963.96

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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.