Home / 8,616.97-11,890.58-4,839.28

Finding the Fourth Proportional to 8,616.97, 11,890.58 and 4,839.28

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Solution

The fourth proportional to 8,616.97, 11,890.58 and 4,839.28 is: 6,677.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,616.97 : 11,890.58 = 4,839.28 : x
  2. Step 2: Convert to fraction form
    8,616.97/11,890.58 = 4,839.28/x
  3. Step 3: Cross multiply
    8,616.97x = 11,890.58 × 4,839.28
  4. Step 4: Simplify right side
    8,616.97x = 57,541,819.28
  5. Step 5: Solve for x
    x = 57,541,819.28/8,616.97
  6. Step 6: Final answer
    x = 6,677.73

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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.