Home / 5,518.12-8,274.58-2,005.68

Finding the Fourth Proportional to 5,518.12, 8,274.58 and 2,005.68

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Solution

The fourth proportional to 5,518.12, 8,274.58 and 2,005.68 is: 3,007.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.12 : 8,274.58 = 2,005.68 : x
  2. Step 2: Convert to fraction form
    5,518.12/8,274.58 = 2,005.68/x
  3. Step 3: Cross multiply
    5,518.12x = 8,274.58 × 2,005.68
  4. Step 4: Simplify right side
    5,518.12x = 16,596,149.59
  5. Step 5: Solve for x
    x = 16,596,149.59/5,518.12
  6. Step 6: Final answer
    x = 3,007.57

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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.