Home / 5,445.30-8,165.82-2,326.80

Finding the Fourth Proportional to 5,445.30, 8,165.82 and 2,326.80

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Solution

The fourth proportional to 5,445.30, 8,165.82 and 2,326.80 is: 3,489.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.30 : 8,165.82 = 2,326.80 : x
  2. Step 2: Convert to fraction form
    5,445.30/8,165.82 = 2,326.80/x
  3. Step 3: Cross multiply
    5,445.30x = 8,165.82 × 2,326.80
  4. Step 4: Simplify right side
    5,445.30x = 19,000,229.98
  5. Step 5: Solve for x
    x = 19,000,229.98/5,445.30
  6. Step 6: Final answer
    x = 3,489.29

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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.