Home / 4,690.24-7,029.99-2,221.56

Finding the Fourth Proportional to 4,690.24, 7,029.99 and 2,221.56

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Solution

The fourth proportional to 4,690.24, 7,029.99 and 2,221.56 is: 3,329.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.24 : 7,029.99 = 2,221.56 : x
  2. Step 2: Convert to fraction form
    4,690.24/7,029.99 = 2,221.56/x
  3. Step 3: Cross multiply
    4,690.24x = 7,029.99 × 2,221.56
  4. Step 4: Simplify right side
    4,690.24x = 15,617,544.58
  5. Step 5: Solve for x
    x = 15,617,544.58/4,690.24
  6. Step 6: Final answer
    x = 3,329.80

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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.