Home / 5,312.39-7,965.34-2,021.96

Finding the Fourth Proportional to 5,312.39, 7,965.34 and 2,021.96

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Solution

The fourth proportional to 5,312.39, 7,965.34 and 2,021.96 is: 3,031.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.39 : 7,965.34 = 2,021.96 : x
  2. Step 2: Convert to fraction form
    5,312.39/7,965.34 = 2,021.96/x
  3. Step 3: Cross multiply
    5,312.39x = 7,965.34 × 2,021.96
  4. Step 4: Simplify right side
    5,312.39x = 16,105,613.72
  5. Step 5: Solve for x
    x = 16,105,613.72/5,312.39
  6. Step 6: Final answer
    x = 3,031.71

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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.