Home / 4,772.97-7,161.45-2,103.21

Finding the Fourth Proportional to 4,772.97, 7,161.45 and 2,103.21

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Solution

The fourth proportional to 4,772.97, 7,161.45 and 2,103.21 is: 3,155.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,772.97 : 7,161.45 = 2,103.21 : x
  2. Step 2: Convert to fraction form
    4,772.97/7,161.45 = 2,103.21/x
  3. Step 3: Cross multiply
    4,772.97x = 7,161.45 × 2,103.21
  4. Step 4: Simplify right side
    4,772.97x = 15,062,033.25
  5. Step 5: Solve for x
    x = 15,062,033.25/4,772.97
  6. Step 6: Final answer
    x = 3,155.69

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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.