Home / 5,446.38-8,168.36-2,158.59

Finding the Fourth Proportional to 5,446.38, 8,168.36 and 2,158.59

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Solution

The fourth proportional to 5,446.38, 8,168.36 and 2,158.59 is: 3,237.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,446.38 : 8,168.36 = 2,158.59 : x
  2. Step 2: Convert to fraction form
    5,446.38/8,168.36 = 2,158.59/x
  3. Step 3: Cross multiply
    5,446.38x = 8,168.36 × 2,158.59
  4. Step 4: Simplify right side
    5,446.38x = 17,632,129.42
  5. Step 5: Solve for x
    x = 17,632,129.42/5,446.38
  6. Step 6: Final answer
    x = 3,237.40

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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.