Home / 5,083.20-7,624.32-1,619.52

Finding the Fourth Proportional to 5,083.20, 7,624.32 and 1,619.52

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Solution

The fourth proportional to 5,083.20, 7,624.32 and 1,619.52 is: 2,429.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,083.20 : 7,624.32 = 1,619.52 : x
  2. Step 2: Convert to fraction form
    5,083.20/7,624.32 = 1,619.52/x
  3. Step 3: Cross multiply
    5,083.20x = 7,624.32 × 1,619.52
  4. Step 4: Simplify right side
    5,083.20x = 12,347,738.73
  5. Step 5: Solve for x
    x = 12,347,738.73/5,083.20
  6. Step 6: Final answer
    x = 2,429.13

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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.