Home / 4,628.20-6,939.78-3,169

Finding the Fourth Proportional to 4,628.20, 6,939.78 and 3,169

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Solution

The fourth proportional to 4,628.20, 6,939.78 and 3,169 is: 4,751.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,628.20 : 6,939.78 = 3,169 : x
  2. Step 2: Convert to fraction form
    4,628.20/6,939.78 = 3,169/x
  3. Step 3: Cross multiply
    4,628.20x = 6,939.78 × 3,169
  4. Step 4: Simplify right side
    4,628.20x = 21,992,162.82
  5. Step 5: Solve for x
    x = 21,992,162.82/4,628.20
  6. Step 6: Final answer
    x = 4,751.77

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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.