Home / 5,498.97-8,246.79-1,988.55

Finding the Fourth Proportional to 5,498.97, 8,246.79 and 1,988.55

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Solution

The fourth proportional to 5,498.97, 8,246.79 and 1,988.55 is: 2,982.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,498.97 : 8,246.79 = 1,988.55 : x
  2. Step 2: Convert to fraction form
    5,498.97/8,246.79 = 1,988.55/x
  3. Step 3: Cross multiply
    5,498.97x = 8,246.79 × 1,988.55
  4. Step 4: Simplify right side
    5,498.97x = 16,399,154.25
  5. Step 5: Solve for x
    x = 16,399,154.25/5,498.97
  6. Step 6: Final answer
    x = 2,982.22

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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.