Home / 5,038.67-7,550.32-2,115.39

Finding the Fourth Proportional to 5,038.67, 7,550.32 and 2,115.39

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Solution

The fourth proportional to 5,038.67, 7,550.32 and 2,115.39 is: 3,169.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.67 : 7,550.32 = 2,115.39 : x
  2. Step 2: Convert to fraction form
    5,038.67/7,550.32 = 2,115.39/x
  3. Step 3: Cross multiply
    5,038.67x = 7,550.32 × 2,115.39
  4. Step 4: Simplify right side
    5,038.67x = 15,971,860.85
  5. Step 5: Solve for x
    x = 15,971,860.85/5,038.67
  6. Step 6: Final answer
    x = 3,169.86

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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.