Home / 8,778.84-13,166.96-3,230.89

Finding the Fourth Proportional to 8,778.84, 13,166.96 and 3,230.89

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Solution

The fourth proportional to 8,778.84, 13,166.96 and 3,230.89 is: 4,845.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778.84 : 13,166.96 = 3,230.89 : x
  2. Step 2: Convert to fraction form
    8,778.84/13,166.96 = 3,230.89/x
  3. Step 3: Cross multiply
    8,778.84x = 13,166.96 × 3,230.89
  4. Step 4: Simplify right side
    8,778.84x = 42,540,999.39
  5. Step 5: Solve for x
    x = 42,540,999.39/8,778.84
  6. Step 6: Final answer
    x = 4,845.86

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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.