Home / 5,083.43-7,624.91-1,385.65

Finding the Fourth Proportional to 5,083.43, 7,624.91 and 1,385.65

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Solution

The fourth proportional to 5,083.43, 7,624.91 and 1,385.65 is: 2,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,083.43 : 7,624.91 = 1,385.65 : x
  2. Step 2: Convert to fraction form
    5,083.43/7,624.91 = 1,385.65/x
  3. Step 3: Cross multiply
    5,083.43x = 7,624.91 × 1,385.65
  4. Step 4: Simplify right side
    5,083.43x = 10,565,490.98
  5. Step 5: Solve for x
    x = 10,565,490.98/5,083.43
  6. Step 6: Final answer
    x = 2,078.42

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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.