Home / 5,890.70-8,128.77-3,372.50

Finding the Fourth Proportional to 5,890.70, 8,128.77 and 3,372.50

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Solution

The fourth proportional to 5,890.70, 8,128.77 and 3,372.50 is: 4,653.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.70 : 8,128.77 = 3,372.50 : x
  2. Step 2: Convert to fraction form
    5,890.70/8,128.77 = 3,372.50/x
  3. Step 3: Cross multiply
    5,890.70x = 8,128.77 × 3,372.50
  4. Step 4: Simplify right side
    5,890.70x = 27,414,276.83
  5. Step 5: Solve for x
    x = 27,414,276.83/5,890.70
  6. Step 6: Final answer
    x = 4,653.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.