Home / 5,625.88-8,435.77-1,729.78

Finding the Fourth Proportional to 5,625.88, 8,435.77 and 1,729.78

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Solution

The fourth proportional to 5,625.88, 8,435.77 and 1,729.78 is: 2,593.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.88 : 8,435.77 = 1,729.78 : x
  2. Step 2: Convert to fraction form
    5,625.88/8,435.77 = 1,729.78/x
  3. Step 3: Cross multiply
    5,625.88x = 8,435.77 × 1,729.78
  4. Step 4: Simplify right side
    5,625.88x = 14,592,000.82
  5. Step 5: Solve for x
    x = 14,592,000.82/5,625.88
  6. Step 6: Final answer
    x = 2,593.73

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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.