Home / 5,589.31-8,385.26-1,640.41

Finding the Fourth Proportional to 5,589.31, 8,385.26 and 1,640.41

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Solution

The fourth proportional to 5,589.31, 8,385.26 and 1,640.41 is: 2,460.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.31 : 8,385.26 = 1,640.41 : x
  2. Step 2: Convert to fraction form
    5,589.31/8,385.26 = 1,640.41/x
  3. Step 3: Cross multiply
    5,589.31x = 8,385.26 × 1,640.41
  4. Step 4: Simplify right side
    5,589.31x = 13,755,243.39
  5. Step 5: Solve for x
    x = 13,755,243.39/5,589.31
  6. Step 6: Final answer
    x = 2,460.99

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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.