Home / 4,078.97-5,628.98-2,215.97

Finding the Fourth Proportional to 4,078.97, 5,628.98 and 2,215.97

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Solution

The fourth proportional to 4,078.97, 5,628.98 and 2,215.97 is: 3,058.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.97 : 5,628.98 = 2,215.97 : x
  2. Step 2: Convert to fraction form
    4,078.97/5,628.98 = 2,215.97/x
  3. Step 3: Cross multiply
    4,078.97x = 5,628.98 × 2,215.97
  4. Step 4: Simplify right side
    4,078.97x = 12,473,611.59
  5. Step 5: Solve for x
    x = 12,473,611.59/4,078.97
  6. Step 6: Final answer
    x = 3,058.03

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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.