Home / 4,689.97-7,029.45-2,087.44

Finding the Fourth Proportional to 4,689.97, 7,029.45 and 2,087.44

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Solution

The fourth proportional to 4,689.97, 7,029.45 and 2,087.44 is: 3,128.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.97 : 7,029.45 = 2,087.44 : x
  2. Step 2: Convert to fraction form
    4,689.97/7,029.45 = 2,087.44/x
  3. Step 3: Cross multiply
    4,689.97x = 7,029.45 × 2,087.44
  4. Step 4: Simplify right side
    4,689.97x = 14,673,537.53
  5. Step 5: Solve for x
    x = 14,673,537.53/4,689.97
  6. Step 6: Final answer
    x = 3,128.71

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1.5x scale

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.