Home / 5,579.78-8,371.19-3,116.37

Finding the Fourth Proportional to 5,579.78, 8,371.19 and 3,116.37

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Solution

The fourth proportional to 5,579.78, 8,371.19 and 3,116.37 is: 4,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.78 : 8,371.19 = 3,116.37 : x
  2. Step 2: Convert to fraction form
    5,579.78/8,371.19 = 3,116.37/x
  3. Step 3: Cross multiply
    5,579.78x = 8,371.19 × 3,116.37
  4. Step 4: Simplify right side
    5,579.78x = 26,087,725.38
  5. Step 5: Solve for x
    x = 26,087,725.38/5,579.78
  6. Step 6: Final answer
    x = 4,675.40

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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.