Home / 5,446.27-8,172.60-2,158.95

Finding the Fourth Proportional to 5,446.27, 8,172.60 and 2,158.95

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Solution

The fourth proportional to 5,446.27, 8,172.60 and 2,158.95 is: 3,239.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,446.27 : 8,172.60 = 2,158.95 : x
  2. Step 2: Convert to fraction form
    5,446.27/8,172.60 = 2,158.95/x
  3. Step 3: Cross multiply
    5,446.27x = 8,172.60 × 2,158.95
  4. Step 4: Simplify right side
    5,446.27x = 17,644,257.32
  5. Step 5: Solve for x
    x = 17,644,257.32/5,446.27
  6. Step 6: Final answer
    x = 3,239.69

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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.