Home / 6,581.75-9,876.92-2,421.80

Finding the Fourth Proportional to 6,581.75, 9,876.92 and 2,421.80

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Solution

The fourth proportional to 6,581.75, 9,876.92 and 2,421.80 is: 3,634.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,581.75 : 9,876.92 = 2,421.80 : x
  2. Step 2: Convert to fraction form
    6,581.75/9,876.92 = 2,421.80/x
  3. Step 3: Cross multiply
    6,581.75x = 9,876.92 × 2,421.80
  4. Step 4: Simplify right side
    6,581.75x = 23,919,863.36
  5. Step 5: Solve for x
    x = 23,919,863.36/6,581.75
  6. Step 6: Final answer
    x = 3,634.27

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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.