Home / 5,377.34-8,067.24-1,679.36

Finding the Fourth Proportional to 5,377.34, 8,067.24 and 1,679.36

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Solution

The fourth proportional to 5,377.34, 8,067.24 and 1,679.36 is: 2,519.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.34 : 8,067.24 = 1,679.36 : x
  2. Step 2: Convert to fraction form
    5,377.34/8,067.24 = 1,679.36/x
  3. Step 3: Cross multiply
    5,377.34x = 8,067.24 × 1,679.36
  4. Step 4: Simplify right side
    5,377.34x = 13,547,800.17
  5. Step 5: Solve for x
    x = 13,547,800.17/5,377.34
  6. Step 6: Final answer
    x = 2,519.42

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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.