Home / 5,299.85-7,949.92-1,404.25

Finding the Fourth Proportional to 5,299.85, 7,949.92 and 1,404.25

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Solution

The fourth proportional to 5,299.85, 7,949.92 and 1,404.25 is: 2,106.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.85 : 7,949.92 = 1,404.25 : x
  2. Step 2: Convert to fraction form
    5,299.85/7,949.92 = 1,404.25/x
  3. Step 3: Cross multiply
    5,299.85x = 7,949.92 × 1,404.25
  4. Step 4: Simplify right side
    5,299.85x = 11,163,675.16
  5. Step 5: Solve for x
    x = 11,163,675.16/5,299.85
  6. Step 6: Final answer
    x = 2,106.42

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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.