Home / 5,089.50-7,635.74-2,168.10

Finding the Fourth Proportional to 5,089.50, 7,635.74 and 2,168.10

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Solution

The fourth proportional to 5,089.50, 7,635.74 and 2,168.10 is: 3,252.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.50 : 7,635.74 = 2,168.10 : x
  2. Step 2: Convert to fraction form
    5,089.50/7,635.74 = 2,168.10/x
  3. Step 3: Cross multiply
    5,089.50x = 7,635.74 × 2,168.10
  4. Step 4: Simplify right side
    5,089.50x = 16,555,037.05
  5. Step 5: Solve for x
    x = 16,555,037.05/5,089.50
  6. Step 6: Final answer
    x = 3,252.78

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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.