Home / 4,422-6,628.08-2,232.72

Finding the Fourth Proportional to 4,422, 6,628.08 and 2,232.72

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Solution

The fourth proportional to 4,422, 6,628.08 and 2,232.72 is: 3,346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,422 : 6,628.08 = 2,232.72 : x
  2. Step 2: Convert to fraction form
    4,422/6,628.08 = 2,232.72/x
  3. Step 3: Cross multiply
    4,422x = 6,628.08 × 2,232.72
  4. Step 4: Simplify right side
    4,422x = 14,798,646.78
  5. Step 5: Solve for x
    x = 14,798,646.78/4,422
  6. Step 6: Final answer
    x = 3,346.60

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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.