Home / 4,425.20-6,629.16-2,689.52

Finding the Fourth Proportional to 4,425.20, 6,629.16 and 2,689.52

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Solution

The fourth proportional to 4,425.20, 6,629.16 and 2,689.52 is: 4,029.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,425.20 : 6,629.16 = 2,689.52 : x
  2. Step 2: Convert to fraction form
    4,425.20/6,629.16 = 2,689.52/x
  3. Step 3: Cross multiply
    4,425.20x = 6,629.16 × 2,689.52
  4. Step 4: Simplify right side
    4,425.20x = 17,829,258.40
  5. Step 5: Solve for x
    x = 17,829,258.40/4,425.20
  6. Step 6: Final answer
    x = 4,029.03

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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.