Home / 8,821.70-13,229.61-2,582.07

Finding the Fourth Proportional to 8,821.70, 13,229.61 and 2,582.07

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Solution

The fourth proportional to 8,821.70, 13,229.61 and 2,582.07 is: 3,872.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.70 : 13,229.61 = 2,582.07 : x
  2. Step 2: Convert to fraction form
    8,821.70/13,229.61 = 2,582.07/x
  3. Step 3: Cross multiply
    8,821.70x = 13,229.61 × 2,582.07
  4. Step 4: Simplify right side
    8,821.70x = 34,159,779.09
  5. Step 5: Solve for x
    x = 34,159,779.09/8,821.70
  6. Step 6: Final answer
    x = 3,872.24

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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.