Home / 4,418-6,629.44-2,109.50

Finding the Fourth Proportional to 4,418, 6,629.44 and 2,109.50

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Solution

The fourth proportional to 4,418, 6,629.44 and 2,109.50 is: 3,165.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,418 : 6,629.44 = 2,109.50 : x
  2. Step 2: Convert to fraction form
    4,418/6,629.44 = 2,109.50/x
  3. Step 3: Cross multiply
    4,418x = 6,629.44 × 2,109.50
  4. Step 4: Simplify right side
    4,418x = 13,984,803.68
  5. Step 5: Solve for x
    x = 13,984,803.68/4,418
  6. Step 6: Final answer
    x = 3,165.42

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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.