Home / 5,890.15-8,838.21-3,917.15

Finding the Fourth Proportional to 5,890.15, 8,838.21 and 3,917.15

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Solution

The fourth proportional to 5,890.15, 8,838.21 and 3,917.15 is: 5,877.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.15 : 8,838.21 = 3,917.15 : x
  2. Step 2: Convert to fraction form
    5,890.15/8,838.21 = 3,917.15/x
  3. Step 3: Cross multiply
    5,890.15x = 8,838.21 × 3,917.15
  4. Step 4: Simplify right side
    5,890.15x = 34,620,604.09
  5. Step 5: Solve for x
    x = 34,620,604.09/5,890.15
  6. Step 6: Final answer
    x = 5,877.71

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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.