Home / 4,422.57-6,629.99-1,788.45

Finding the Fourth Proportional to 4,422.57, 6,629.99 and 1,788.45

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Solution

The fourth proportional to 4,422.57, 6,629.99 and 1,788.45 is: 2,681.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,422.57 : 6,629.99 = 1,788.45 : x
  2. Step 2: Convert to fraction form
    4,422.57/6,629.99 = 1,788.45/x
  3. Step 3: Cross multiply
    4,422.57x = 6,629.99 × 1,788.45
  4. Step 4: Simplify right side
    4,422.57x = 11,857,396.67
  5. Step 5: Solve for x
    x = 11,857,396.67/4,422.57
  6. Step 6: Final answer
    x = 2,681.11

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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.