Home / 4,082.88-6,124.16-1,309.48

Finding the Fourth Proportional to 4,082.88, 6,124.16 and 1,309.48

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Solution

The fourth proportional to 4,082.88, 6,124.16 and 1,309.48 is: 1,964.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.88 : 6,124.16 = 1,309.48 : x
  2. Step 2: Convert to fraction form
    4,082.88/6,124.16 = 1,309.48/x
  3. Step 3: Cross multiply
    4,082.88x = 6,124.16 × 1,309.48
  4. Step 4: Simplify right side
    4,082.88x = 8,019,465.04
  5. Step 5: Solve for x
    x = 8,019,465.04/4,082.88
  6. Step 6: Final answer
    x = 1,964.17

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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.