Home / 5,445.05-8,164.26-2,668.28

Finding the Fourth Proportional to 5,445.05, 8,164.26 and 2,668.28

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Solution

The fourth proportional to 5,445.05, 8,164.26 and 2,668.28 is: 4,000.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.05 : 8,164.26 = 2,668.28 : x
  2. Step 2: Convert to fraction form
    5,445.05/8,164.26 = 2,668.28/x
  3. Step 3: Cross multiply
    5,445.05x = 8,164.26 × 2,668.28
  4. Step 4: Simplify right side
    5,445.05x = 21,784,490.85
  5. Step 5: Solve for x
    x = 21,784,490.85/5,445.05
  6. Step 6: Final answer
    x = 4,000.79

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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.