Home / 5,180.85-7,766.46-1,893.19

Finding the Fourth Proportional to 5,180.85, 7,766.46 and 1,893.19

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Solution

The fourth proportional to 5,180.85, 7,766.46 and 1,893.19 is: 2,838.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.85 : 7,766.46 = 1,893.19 : x
  2. Step 2: Convert to fraction form
    5,180.85/7,766.46 = 1,893.19/x
  3. Step 3: Cross multiply
    5,180.85x = 7,766.46 × 1,893.19
  4. Step 4: Simplify right side
    5,180.85x = 14,703,384.41
  5. Step 5: Solve for x
    x = 14,703,384.41/5,180.85
  6. Step 6: Final answer
    x = 2,838.03

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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.