Home / 5,377.64-8,067.58-1,679.72

Finding the Fourth Proportional to 5,377.64, 8,067.58 and 1,679.72

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Solution

The fourth proportional to 5,377.64, 8,067.58 and 1,679.72 is: 2,519.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.64 : 8,067.58 = 1,679.72 : x
  2. Step 2: Convert to fraction form
    5,377.64/8,067.58 = 1,679.72/x
  3. Step 3: Cross multiply
    5,377.64x = 8,067.58 × 1,679.72
  4. Step 4: Simplify right side
    5,377.64x = 13,551,275.48
  5. Step 5: Solve for x
    x = 13,551,275.48/5,377.64
  6. Step 6: Final answer
    x = 2,519.93

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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.