Home / 8,779.87-13,169.66-2,206.06

Finding the Fourth Proportional to 8,779.87, 13,169.66 and 2,206.06

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Solution

The fourth proportional to 8,779.87, 13,169.66 and 2,206.06 is: 3,309.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779.87 : 13,169.66 = 2,206.06 : x
  2. Step 2: Convert to fraction form
    8,779.87/13,169.66 = 2,206.06/x
  3. Step 3: Cross multiply
    8,779.87x = 13,169.66 × 2,206.06
  4. Step 4: Simplify right side
    8,779.87x = 29,053,032.73
  5. Step 5: Solve for x
    x = 29,053,032.73/8,779.87
  6. Step 6: Final answer
    x = 3,309.05

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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.