Home / 5,176.92-7,766.04-1,890.36

Finding the Fourth Proportional to 5,176.92, 7,766.04 and 1,890.36

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Solution

The fourth proportional to 5,176.92, 7,766.04 and 1,890.36 is: 2,835.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.92 : 7,766.04 = 1,890.36 : x
  2. Step 2: Convert to fraction form
    5,176.92/7,766.04 = 1,890.36/x
  3. Step 3: Cross multiply
    5,176.92x = 7,766.04 × 1,890.36
  4. Step 4: Simplify right side
    5,176.92x = 14,680,611.37
  5. Step 5: Solve for x
    x = 14,680,611.37/5,176.92
  6. Step 6: Final answer
    x = 2,835.78

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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.