Home / 5,920.60-8,876.41-3,580.05

Finding the Fourth Proportional to 5,920.60, 8,876.41 and 3,580.05

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Solution

The fourth proportional to 5,920.60, 8,876.41 and 3,580.05 is: 5,367.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.60 : 8,876.41 = 3,580.05 : x
  2. Step 2: Convert to fraction form
    5,920.60/8,876.41 = 3,580.05/x
  3. Step 3: Cross multiply
    5,920.60x = 8,876.41 × 3,580.05
  4. Step 4: Simplify right side
    5,920.60x = 31,777,991.62
  5. Step 5: Solve for x
    x = 31,777,991.62/5,920.60
  6. Step 6: Final answer
    x = 5,367.36

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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.