Home / 5,067.12-7,601.91-1,689.91

Finding the Fourth Proportional to 5,067.12, 7,601.91 and 1,689.91

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Solution

The fourth proportional to 5,067.12, 7,601.91 and 1,689.91 is: 2,535.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,067.12 : 7,601.91 = 1,689.91 : x
  2. Step 2: Convert to fraction form
    5,067.12/7,601.91 = 1,689.91/x
  3. Step 3: Cross multiply
    5,067.12x = 7,601.91 × 1,689.91
  4. Step 4: Simplify right side
    5,067.12x = 12,846,543.73
  5. Step 5: Solve for x
    x = 12,846,543.73/5,067.12
  6. Step 6: Final answer
    x = 2,535.28

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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.