Home / 8,779.03-13,162.39-3,231.65

Finding the Fourth Proportional to 8,779.03, 13,162.39 and 3,231.65

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Solution

The fourth proportional to 8,779.03, 13,162.39 and 3,231.65 is: 4,845.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779.03 : 13,162.39 = 3,231.65 : x
  2. Step 2: Convert to fraction form
    8,779.03/13,162.39 = 3,231.65/x
  3. Step 3: Cross multiply
    8,779.03x = 13,162.39 × 3,231.65
  4. Step 4: Simplify right side
    8,779.03x = 42,536,257.59
  5. Step 5: Solve for x
    x = 42,536,257.59/8,779.03
  6. Step 6: Final answer
    x = 4,845.21

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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.