Home / 6,874.39-10,311.63-1,680.27

Finding the Fourth Proportional to 6,874.39, 10,311.63 and 1,680.27

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Solution

The fourth proportional to 6,874.39, 10,311.63 and 1,680.27 is: 2,520.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,874.39 : 10,311.63 = 1,680.27 : x
  2. Step 2: Convert to fraction form
    6,874.39/10,311.63 = 1,680.27/x
  3. Step 3: Cross multiply
    6,874.39x = 10,311.63 × 1,680.27
  4. Step 4: Simplify right side
    6,874.39x = 17,326,322.54
  5. Step 5: Solve for x
    x = 17,326,322.54/6,874.39
  6. Step 6: Final answer
    x = 2,520.42

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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.