Home / 8,779.08-13,168.62-2,205.27

Finding the Fourth Proportional to 8,779.08, 13,168.62 and 2,205.27

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Solution

The fourth proportional to 8,779.08, 13,168.62 and 2,205.27 is: 3,307.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779.08 : 13,168.62 = 2,205.27 : x
  2. Step 2: Convert to fraction form
    8,779.08/13,168.62 = 2,205.27/x
  3. Step 3: Cross multiply
    8,779.08x = 13,168.62 × 2,205.27
  4. Step 4: Simplify right side
    8,779.08x = 29,040,362.63
  5. Step 5: Solve for x
    x = 29,040,362.63/8,779.08
  6. Step 6: Final answer
    x = 3,307.91

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Similar ratio
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1.5x scale

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.