Home / 5,311.79-7,960.51-2,023.09

Finding the Fourth Proportional to 5,311.79, 7,960.51 and 2,023.09

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Solution

The fourth proportional to 5,311.79, 7,960.51 and 2,023.09 is: 3,031.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.79 : 7,960.51 = 2,023.09 : x
  2. Step 2: Convert to fraction form
    5,311.79/7,960.51 = 2,023.09/x
  3. Step 3: Cross multiply
    5,311.79x = 7,960.51 × 2,023.09
  4. Step 4: Simplify right side
    5,311.79x = 16,104,819.06
  5. Step 5: Solve for x
    x = 16,104,819.06/5,311.79
  6. Step 6: Final answer
    x = 3,031.90

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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.