Home / 8,942.54-13,415.83-4,780.35

Finding the Fourth Proportional to 8,942.54, 13,415.83 and 4,780.35

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Solution

The fourth proportional to 8,942.54, 13,415.83 and 4,780.35 is: 7,171.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,942.54 : 13,415.83 = 4,780.35 : x
  2. Step 2: Convert to fraction form
    8,942.54/13,415.83 = 4,780.35/x
  3. Step 3: Cross multiply
    8,942.54x = 13,415.83 × 4,780.35
  4. Step 4: Simplify right side
    8,942.54x = 64,132,350.99
  5. Step 5: Solve for x
    x = 64,132,350.99/8,942.54
  6. Step 6: Final answer
    x = 7,171.61

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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.