Home / 4,082.36-6,123.96-1,309.46

Finding the Fourth Proportional to 4,082.36, 6,123.96 and 1,309.46

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Solution

The fourth proportional to 4,082.36, 6,123.96 and 1,309.46 is: 1,964.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.36 : 6,123.96 = 1,309.46 : x
  2. Step 2: Convert to fraction form
    4,082.36/6,123.96 = 1,309.46/x
  3. Step 3: Cross multiply
    4,082.36x = 6,123.96 × 1,309.46
  4. Step 4: Simplify right side
    4,082.36x = 8,019,050.04
  5. Step 5: Solve for x
    x = 8,019,050.04/4,082.36
  6. Step 6: Final answer
    x = 1,964.32

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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.