Home / 5,083.25-7,625.28-1,620.50

Finding the Fourth Proportional to 5,083.25, 7,625.28 and 1,620.50

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Solution

The fourth proportional to 5,083.25, 7,625.28 and 1,620.50 is: 2,430.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,083.25 : 7,625.28 = 1,620.50 : x
  2. Step 2: Convert to fraction form
    5,083.25/7,625.28 = 1,620.50/x
  3. Step 3: Cross multiply
    5,083.25x = 7,625.28 × 1,620.50
  4. Step 4: Simplify right side
    5,083.25x = 12,356,766.24
  5. Step 5: Solve for x
    x = 12,356,766.24/5,083.25
  6. Step 6: Final answer
    x = 2,430.88

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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.