Home / 4,991.72-7,488.49-2,070.26

Finding the Fourth Proportional to 4,991.72, 7,488.49 and 2,070.26

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Solution

The fourth proportional to 4,991.72, 7,488.49 and 2,070.26 is: 3,105.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.72 : 7,488.49 = 2,070.26 : x
  2. Step 2: Convert to fraction form
    4,991.72/7,488.49 = 2,070.26/x
  3. Step 3: Cross multiply
    4,991.72x = 7,488.49 × 2,070.26
  4. Step 4: Simplify right side
    4,991.72x = 15,503,083.86
  5. Step 5: Solve for x
    x = 15,503,083.86/4,991.72
  6. Step 6: Final answer
    x = 3,105.76

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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.