Home / 5,486.58-8,229.36-1,976.46

Finding the Fourth Proportional to 5,486.58, 8,229.36 and 1,976.46

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Solution

The fourth proportional to 5,486.58, 8,229.36 and 1,976.46 is: 2,964.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.58 : 8,229.36 = 1,976.46 : x
  2. Step 2: Convert to fraction form
    5,486.58/8,229.36 = 1,976.46/x
  3. Step 3: Cross multiply
    5,486.58x = 8,229.36 × 1,976.46
  4. Step 4: Simplify right side
    5,486.58x = 16,265,000.87
  5. Step 5: Solve for x
    x = 16,265,000.87/5,486.58
  6. Step 6: Final answer
    x = 2,964.51

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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.