Home / 4,553.80-6,284.12-2,785.40

Finding the Fourth Proportional to 4,553.80, 6,284.12 and 2,785.40

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Solution

The fourth proportional to 4,553.80, 6,284.12 and 2,785.40 is: 3,843.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,553.80 : 6,284.12 = 2,785.40 : x
  2. Step 2: Convert to fraction form
    4,553.80/6,284.12 = 2,785.40/x
  3. Step 3: Cross multiply
    4,553.80x = 6,284.12 × 2,785.40
  4. Step 4: Simplify right side
    4,553.80x = 17,503,787.85
  5. Step 5: Solve for x
    x = 17,503,787.85/4,553.80
  6. Step 6: Final answer
    x = 3,843.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.