Home / 8,764.60-13,149.08-3,220.96

Finding the Fourth Proportional to 8,764.60, 13,149.08 and 3,220.96

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Solution

The fourth proportional to 8,764.60, 13,149.08 and 3,220.96 is: 4,832.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764.60 : 13,149.08 = 3,220.96 : x
  2. Step 2: Convert to fraction form
    8,764.60/13,149.08 = 3,220.96/x
  3. Step 3: Cross multiply
    8,764.60x = 13,149.08 × 3,220.96
  4. Step 4: Simplify right side
    8,764.60x = 42,352,660.72
  5. Step 5: Solve for x
    x = 42,352,660.72/8,764.60
  6. Step 6: Final answer
    x = 4,832.24

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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.