Home / 5,377.71-8,067.39-1,680.24

Finding the Fourth Proportional to 5,377.71, 8,067.39 and 1,680.24

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Solution

The fourth proportional to 5,377.71, 8,067.39 and 1,680.24 is: 2,520.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.71 : 8,067.39 = 1,680.24 : x
  2. Step 2: Convert to fraction form
    5,377.71/8,067.39 = 1,680.24/x
  3. Step 3: Cross multiply
    5,377.71x = 8,067.39 × 1,680.24
  4. Step 4: Simplify right side
    5,377.71x = 13,555,151.37
  5. Step 5: Solve for x
    x = 13,555,151.37/5,377.71
  6. Step 6: Final answer
    x = 2,520.62

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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.