Home / 5,180.94-7,766.05-2,405.35

Finding the Fourth Proportional to 5,180.94, 7,766.05 and 2,405.35

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Solution

The fourth proportional to 5,180.94, 7,766.05 and 2,405.35 is: 3,605.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.94 : 7,766.05 = 2,405.35 : x
  2. Step 2: Convert to fraction form
    5,180.94/7,766.05 = 2,405.35/x
  3. Step 3: Cross multiply
    5,180.94x = 7,766.05 × 2,405.35
  4. Step 4: Simplify right side
    5,180.94x = 18,680,039.65
  5. Step 5: Solve for x
    x = 18,680,039.65/5,180.94
  6. Step 6: Final answer
    x = 3,605.53

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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.