Home / 5,455.05-8,182.59-2,168.12

Finding the Fourth Proportional to 5,455.05, 8,182.59 and 2,168.12

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Solution

The fourth proportional to 5,455.05, 8,182.59 and 2,168.12 is: 3,252.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.05 : 8,182.59 = 2,168.12 : x
  2. Step 2: Convert to fraction form
    5,455.05/8,182.59 = 2,168.12/x
  3. Step 3: Cross multiply
    5,455.05x = 8,182.59 × 2,168.12
  4. Step 4: Simplify right side
    5,455.05x = 17,740,803.33
  5. Step 5: Solve for x
    x = 17,740,803.33/5,455.05
  6. Step 6: Final answer
    x = 3,252.18

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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.