Home / 4,478.19-6,699.92-3,231.65

Finding the Fourth Proportional to 4,478.19, 6,699.92 and 3,231.65

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Solution

The fourth proportional to 4,478.19, 6,699.92 and 3,231.65 is: 4,834.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.19 : 6,699.92 = 3,231.65 : x
  2. Step 2: Convert to fraction form
    4,478.19/6,699.92 = 3,231.65/x
  3. Step 3: Cross multiply
    4,478.19x = 6,699.92 × 3,231.65
  4. Step 4: Simplify right side
    4,478.19x = 21,651,815.24
  5. Step 5: Solve for x
    x = 21,651,815.24/4,478.19
  6. Step 6: Final answer
    x = 4,834.95

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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.