Home / 4,679.88-7,020.60-2,082.72

Finding the Fourth Proportional to 4,679.88, 7,020.60 and 2,082.72

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Solution

The fourth proportional to 4,679.88, 7,020.60 and 2,082.72 is: 3,124.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.88 : 7,020.60 = 2,082.72 : x
  2. Step 2: Convert to fraction form
    4,679.88/7,020.60 = 2,082.72/x
  3. Step 3: Cross multiply
    4,679.88x = 7,020.60 × 2,082.72
  4. Step 4: Simplify right side
    4,679.88x = 14,621,944.03
  5. Step 5: Solve for x
    x = 14,621,944.03/4,679.88
  6. Step 6: Final answer
    x = 3,124.43

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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.