Home / 5,182.80-7,771.92-1,895.04

Finding the Fourth Proportional to 5,182.80, 7,771.92 and 1,895.04

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Solution

The fourth proportional to 5,182.80, 7,771.92 and 1,895.04 is: 2,841.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.80 : 7,771.92 = 1,895.04 : x
  2. Step 2: Convert to fraction form
    5,182.80/7,771.92 = 1,895.04/x
  3. Step 3: Cross multiply
    5,182.80x = 7,771.92 × 1,895.04
  4. Step 4: Simplify right side
    5,182.80x = 14,728,099.28
  5. Step 5: Solve for x
    x = 14,728,099.28/5,182.80
  6. Step 6: Final answer
    x = 2,841.73

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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.