Home / 5,121.23-7,682.45-1,833.44

Finding the Fourth Proportional to 5,121.23, 7,682.45 and 1,833.44

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Solution

The fourth proportional to 5,121.23, 7,682.45 and 1,833.44 is: 2,750.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121.23 : 7,682.45 = 1,833.44 : x
  2. Step 2: Convert to fraction form
    5,121.23/7,682.45 = 1,833.44/x
  3. Step 3: Cross multiply
    5,121.23x = 7,682.45 × 1,833.44
  4. Step 4: Simplify right side
    5,121.23x = 14,085,263.55
  5. Step 5: Solve for x
    x = 14,085,263.55/5,121.23
  6. Step 6: Final answer
    x = 2,750.37

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1.5x scale

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.